If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow. Please also note that there may be incompatibilities between certain lib versions and Spring Boot, hence it may not always be possible to update the version this way. If I locally run snyk test with the Snyk CLI, I see that there is a replacement available. Out-of-bounds Write vulnerability with medium severity found CVE-2022-38749 6.5 Out-of-bounds Write vulnerability pending CVSS allocation CVE-2022-38750 5.5 For example, many developers only use yaml to provide configuration to their apps. Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment. inferences should be drawn on account of other sites being
If an attacker could change application.yml to exploit this vulnerability, they could cause much more damage than a DoS by just changing the properties, or by reading secrets. This site requires JavaScript to be enabled for complete site functionality. https://bitbucket.org/snakeyaml/snakeyaml/issues/561/cve-2022-1471-vulnerability-in#comment-64581479, https://github.com/google/security-research/security/advisories/GHSA-mjmj-j48q-9wg2, https://groups.google.com/g/kubernetes-security-announce/c/mwrakFaEdnc, https://www.github.com/mbechler/marshalsec/blob/master/marshalsec.pdf?raw=true, Are we missing a CPE here? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Also see spring-projects/spring-framework#30048. Success! I run the Python simple server to show a successful GET request. The SnakeYaml library for Java is vulnerable to arbitrary code execution due to a flaw in its Constructor class. Thanks very much for the offer. Site Privacy
Since that is the last version (SnakeYAML 2.x is not compatible with 1.x), that's something you can't get rid off until the SnakeYAML team fixes that. Vulnerabilities. I think we've already managed to do this. Rob Spoor has already explained why, this warning can be eliminated by excluding dependencies: Add the above code to the corresponding
label. It has 6 fewer vulerabilities, which are transitively also reflecting on sping-boot project. To keep a pulse check on your software supply chain and its dependencies, make sure youre integrating Software Composition Analysis (SCA) scans into your software development workflows. It is awaiting reanalysis which may result in further changes to the information provided. Please read the CVE-2022-1471, @asomov #113 in MvnRepository ( See Top Artifacts) #1 in YAML Parsers. Note that SnakeYaml 2.x breaks API compared to the earlier versions. The Overflow #186: Do large language models know what theyre talking about? We recommend using SnakeYaml's SafeConsturctor when parsing untrusted content to restrict deserialization. A .gov website belongs to an official government organization in the United States. It describes when you should consider manually overriding the SnakeYAML version and how to do so. DESCRIPTION: Java package org.yaml:snakeyam is vulnerable to a denial of service, caused by missing to nested depth limitation for collections. Used By. Search forM083FML Process Mining 1.13.1 Server Multiplatform Multilingual3. Deserializing or marshaling YAML is quite easy with SnakeYaml. Of course I use application.properties, not application.yml. Java de-serialization requires phantom methods like readObject to write defensive code to validate the object before we create it. Vulnerabilities. This means we have to upgrade it ourselves in our manifest file. I have to clarify this point perhaps: If hypthetically someone was coding a service, that uses yaml formatted user input, there would be the freedom to use any yaml parser. Severity CVSS Version 3.x CVSS Version 2.0 CVSS 3.x Severity and Metrics: CNA: Snyk Base Score: 7.5 HIGH Rivers of London short about Magical Signature. In this version, the constructor that every new yaml() uses now extends SafeConstructor. 2023 Snyk LimitedRegistered in England and Wales, Listen to the Cloud Security Podcast, powered by Snyk Ltd, ! There are a few which are easily solved with proper configuration of the parser. What's it called when multiple concepts are combined into a single problem? If you are using gradle, you can override the version used by spring boot. Luckily, when can still solve this problem! Is there any plan to update the damaged package of snakeyaml? Copyright 19992023, The MITRE Learn secure coding on-demand at your pace, Secure container technologies before production, Find and fix runtime web app vulnerabilities, Leverage skills of experienced penetration testers, Automate remediation and save developers time, Build, Mature, and Scale Impactful AppSec Programs, Manage risk across your software portfolio, Software Security for Developers & Security Teams. To demonstrate the vulnerable scenario, I deliberately created a gadget class. Edit: with SnakeYAML 2.x, I meant this one. We recommend using SnakeYaml's SafeConsturctor when parsing untrusted content to restrict deserialization. Information Quality Standards
Direct Vulnerabilities Known vulnerabilities in the org.yaml:snakeyaml package. Share sensitive information only on official, secure websites. Distances of Fermat point from vertices of a triangle, template.queryselector or queryselectorAll is returning undefined, MSE of a regression obtianed from Least Squares. If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stack overflow. The `Constructor` method does not limit which classes can be instantiated during deserialization, in fact, any class in the Java classpath is available. Merge pull request #9259 from eclipse/ag_fix_9201 48f5954. org.springframework spring-beans 1 vulnerability : 3.2.17.RELEASE: 6.0.11: Config Apache 2.0: org.springframework spring-context-support: 3.2.17.RELEASE: 6.0.11: Licenses. @npolovnikov The default version of SnakeYAML hasn't change in Spring Boot 2.7. For Maven implementations, we can use the part of the pom file among other things. Find centralized, trusted content and collaborate around the technologies you use most. USA.gov, An official website of the United States government, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. NVD score
I am very disappointed. Official websites use .gov
Same mesh but different objects with separate UV maps? A .gov website belongs to an official government organization in the United States. may have information that would be of interest to you. !java.net.URL [, Serialization and deserialization in Java, Java JSON deserialization problems with the Jackson ObjectMapper, deserialization issues in the jackson-databind, For California residents: Do not sell my personal information. Subscribe to My Notifications to be notified of important product support alerts like this. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. SnakeYAML 1.33 recently had a follow-up 2.0 version which is a different one. Because the class is already in my classpath, and SnakeYaml creates the object regardless of the intended class, I will end up with a ClassCastException. A gadget is defined as a class or function thats available within the execution scope of an application. Application Security Thats Pervasive, Not Invasive, Connect Security and Development Teams to Ensure Adoption and Compliance, Security for Cloud-Native Application Development. I was refering to this line, YAML timestamps not handled properly with SnakeYaml 1.31 #32229. |
the project uses spring boot 2.5. Deserialization of Untrusted Data vulnerability with high severity found This vulnerability is only exploitable if you accept yaml from unknown sources like end users. I'm referencing following issue: #35064. It was working properly but it annoyed me a lot to see a huge yellow piece of code in pom.xml. #113 in MvnRepository ( See Top Artifacts) #1 in YAML Parsers. NIST does
SnakeYAML developers and users List Subscribe Unsubscribe Indexed Repositories (1921) Central Atlassian Sonatype Hortonworks Spring Plugins Spring Lib . 2. Learn more at National Vulnerability Database (NVD) CVSS Severity Rating Fix Information Vulnerable Software Versions SCAP Mappings CPE Information Description The Alias feature in SnakeYAML before 1.26 allows entity expansion during a load operation, a related issue to CVE-2003-1564. The general rule is that you should not accept these inputs from unknown sources. Ranking. Once done you can customize the versions spring is using just by setting the corresponding property: to see the full list of dependencies versions and their properties to override you can browse here: https://docs.spring.io/spring-boot/docs/current/reference/html/dependency-versions.html#appendix.dependency-versions.properties. I scanned the ticket you refer to, it sounds like "one person tried it and it didn't break". @asomov it's not a bug and I wouldn't blame SnakeYaml for breaking backwards compatibility. When the object is passed objectIn.readObject it is not going to fill up the value by calling the constructor, Instead, it would call a phantom empty constructor which creates the object, The constructor and invariant check would never be performed. And if one cannot reason the correctness of the code, one cannot reason the security aspect of the code. |
SnakeYAML is a popular Java library to parse YAML (YAML Aint Markup Language format). So, how can I fix this problem properly? junit junit 1 vulnerability : 4.12: 5.9.3: Core Utils Apache 2.0: org.apache.commons commons-lang3: 3.4: 3.12.0: Template Engine Apache 2.0: org.apache.velocity velocity 1 vulnerability : 1.6.2: 2.3: . After running the code, a successful GET request from localhost appears. https://nvd.nist.gov. |
Find out all the different files from two different paths efficiently in Windows (with Python), The shorter the message, the larger the prize, Adding labels on map layout legend boxes using QGIS. Thanks for Making Us a 10x Magic Quadrant Leader. Once again this is a private method that would be called during the objectIn.readObject and would check the invariance. We use a custom Resolver subclass to disable the timestamp handling that I described above. SnakeYaml's Constructor() class does not restrict types which can be instantiated during deserialization. I dont find the 2.6.12 version in maven repo. Closed agibsonccc closed this as completed in #9259 Apr 26, 2021. agibsonccc added a commit that referenced this issue Apr 26, 2021. This is an extralinguistic behavior as I cannot reason the working of the code by just reading it. (elasticsearch.yml maybe?) thanks for your reply; I suspected so and have followed up there. It is awaiting reanalysis which may result in further changes to the information provided. I specify the snakeyaml version in the build.gradle file as below: I overcome this issue by adding exclusions to the code as was mentioned above. If you want to test out the code yourself, check out:https://github.com/1fabunicorn/SnakeYAML-CVE-2022-1471-POC. You need to update the SnakeYAML version to 2.0. The text was updated successfully, but these errors were encountered: Spring Boot already uses SafeConstructor internally so I don't think there are any changes we need to make. Denotes Vulnerable Software
Spring Boot 3.0.5 upgraded it to SnakeYAML 1.33, but there is still a critical VULNERABILITIES in SankeYAML 1.33: CVE-2022-1471, it should upgrade it to SankeYAML 2.0, @kendarkfire it is a false positive (as many many others). please spend your time going to any of the low quality tools - they must be aware of the noise they create, go to your low quality dependency scanning tool and report a bug in their issue tracker, if somebody (your manager?) This means we have to rewrite our yaml parsing implementation to the new safe defaults to make it work again. Snyk is a developer security platform. Severity CVSS Version 3.x CVSS Version 2.0 CVSS 3.x Severity and Metrics: CNA: Google Inc. The impact heavily depends on how you use the library. To learn more, see our tips on writing great answers. Why Extend Volume is Grayed Out in Server 2016? Additionally, it would be better to remove the reference or the tag to the actual object from your yaml file altogether. In addition, we can add a specific TagInspector to the LoaderOptions that allows our package tag. I updated to 2.7.4 Please help me to find one. DESCRIPTION: SnakeYAML is vulnerable to a denial of service, caused by an entity expansion in Alias feature during a load operation. How to Defend from Java De-Serialization attacks: Be extra careful with untrusted data from the internet. Always do a code review of DTOs facing the internet to reason its security aspects. By using a specially-crafted yaml content, an attacker could exploit this vulnerability to execute arbitrary code on the system. No Fear Act Policy
Otherwise you may downgrade the version unintentionally after future updates. We're still defaulting to 1.29 and 1.30 in those versions, but unlocking the possibility to use SnakeYaml 1.31 at runtime; see #32228. You have JavaScript disabled. However, I get the following error: Provides transitive vulnerable dependency maven:org.yaml:snakeyaml:1.30 CVE-2022-25857 7.5 Uncontrolled Resource Consumption vulnerability pending CVSS allocation CVE-2022-38752 6.5 https://bitbucket.org/snakeyaml/snakeyaml/commits/fc300780da21f4bb92c148bc90257201220cf174, https://bitbucket.org/snakeyaml/snakeyaml/issues/525, https://github.com/snakeyaml/snakeyaml/commit/fc300780da21f4bb92c148bc90257201220cf174, https://lists.debian.org/debian-lts-announce/2022/10/msg00001.html, https://security.snyk.io/vuln/SNYK-JAVA-ORGYAML-2806360, Are we missing a CPE here? CVE is sponsored by the U.S. Department of Homeland Security (DHS) Cybersecurity and Infrastructure Security Agency (CISA). Use of the CVE List and the associated references from this website are subject to the terms of use. |
there might be some jackson compatibility issues. [1] https://yaml.org/spec/1.1/current.html, [3] https://brandur.org/fragments/gadgets-and-chains#gadgets-and-chains, [4] https://github.com/mbechler/marshalsec, [5] https://www.javadoc.io/doc/org.yaml/snakeyaml/latest/org/yaml/snakeyaml/LoaderOptions.html, [6] https://bitbucket.org/snakeyaml/snakeyaml-engine/src/master/, [7] https://github.com/spring-projects/spring-framework/pull/30048, [8] https://github.com/spring-projects/spring-boot/issues/33457. The description says We recommend using SnakeYaml's SafeConsturctor when parsing untrusted content to restrict deserialization. However, bringing in third-party libraries does increase your chances of having gadgets that were created by other people in that manner present in your code. Known vulnerabilities in the snakeyaml package. Now we can get rid of the object reference when parsing the object to a yaml file. Can someone helps me please. snakeyaml 1.30 and also 1.31 contain vulnerabilites that need to be patched. Copyrights
Start your free account today. CVE-2022-1471 has been reported against the SnakeYaml project 1.30+. privacy statement. Using the SnakeYaml 1.x version can lead to unnecessary security issues if you directly or indirectly accept yaml files from outside sources.Snyk Open Source can help you find and fix these issues or point you to an alternative version if necessary like the following example, where we show that updating to at least version 2.0 of SnakeYaml will remove the Arbitrary Code Execution vulnerability. https://docs.spring.io/spring-boot/docs/2.7.3/gradle-plugin/reference/htmlsingle/. Download package, 4. department-of-veterans-affairs/abd-vro#1207, CVE-2022-25857 - Upgrade to SnakeYAML 1.31, The Spring Boot policy for upgrading third party dependencies, YAML timestamps not handled properly with SnakeYaml 1.31, CVE-2022-25857 - Upgrade org.yaml:snakeyaml to version >=1.31, does not check the most important part - the context, Upgrade Snakeyaml Managed Dependency version to address vulnerabilities reported, Markup SpringBoot users need to specify SnakeYAML version in Github Wiki, Upgrade to SnakeYAML 1.33 in 2.7.x spring-boot-dependencies, Upgrade org.yaml.snakeyaml to fix CVE-2022-25857, Update yaml_snakeyaml dependency on 2.7.x to fix vulnerability, Update Spring Boot to the latest patch level, [KOGITO-8432] - CVE-2022-25857 - Upgrade SnakeYAML on Spring Boot related components, [1.13.x] [KOGITO-8432] - CVE-2022-25857 - Upgrade SnakeYAML on Spring Boot related components, [1.13.x-blue] [KOGITO-8432] - CVE-2022-25857 - Upgrade SnakeYAML on Spring Boot related components, Dependabot flagged failed tests with snakeyaml 2.0, spring-boot-dependencies 2.7.9 has multiple Vulnerabilities, https://stackoverflow.com/questions/75870282/is-snakeyaml-2-0-added-in-the-new-spring-boot-versions, run SnakeYaml 2.0 with compatible Spring Boot versions, Despite my call to show a use case when the parser has to take untrusted input without possibility for very basic sanitization, NO SINGLE real use case was provided. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. I am also not happy, that every potential DoS gets a CVE score 7+ If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stack-overflow. This CVE can make applications vulnerable to DoS attacks, given the Yaml parser is used to parse untrusted input. The class does not restrict which types can be deserialized, allowing an attacker to provide a malicious YAML file for deserialization and potentially exploit the system. By selecting these links, you will be leaving NIST webspace. In Indiana Jones and the Last Crusade (1989), when does this shot of Sean Connery happen? Besides that: As you said, the Context is important. @bisvo01 I just double checked YamlJsonParser in 2.7 and I don't think it's susceptible to the CVE since it already limits the types that can be created. What I want to confirm is if snakeyaml is related to spring boot. Have a question about this project? Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). 589). @bisvo01 Spring Boot 2.7.x is currently supported, see our support timeline page. If all your yaml files are clean, you can remove the TagInspector form from your parser. I can help to integrate the latest version of SnakeYAML into Spring Boot. |
SnakeYaml 2.0: Solving the unsafe deserialization vulnerability Written by: Brian Vermeer June 21, 2023 0 mins read In the December of last year, we reported CVE-2022-1471 to you. So I was wondering if we use spring boot 2.5, can we use snakeyaml 1.31 as way above. What is the motivation for infinity category theory? . @wilkinsona can you please provide the method which was changed ? Can somebody (@bclozel) help with checking how Spring Boot uses SnakeYaml since Spring Boot may not be impacted by the vulnerability? In the deep-dive blog post Unsafe deserialization vulnerability in SnakeYaml (CVE-2022-1471), I explained the problems in this library and how it could be executed. I am sorry. Unfortunately, Spring Boot 2.7.x still uses an older, vulnerable version of SnakeYAML (1.30). This breaks encapsulation as the code written inside is no longer used. CVE-2022-38752. Severity CVSS Version 3.x A lock () or https:// means you've safely connected to the .gov website. Actually, it is no fix, it pretends to be a fix, but for the low quality tooling this is enough. All the parsers have to follow the specification and it requires to support data structues which can be misused by a potential attacker. Description The package org.yaml:snakeyaml from 0 and before 1.31 are vulnerable to Denial of Service (DoS) due missing to nested depth limitation for collections. SnakeYaml is a well-known YAML 1.1 parser and emitter for Java. Dear @robert-gdv, unfortunately, you re-distribute the information which is partially confusing, partially just wrong. If you are loading custom YAML data from other sources in a similar way to the use of XML and JSON objects, you might be vulnerable! Having a gadget or gadget chain available in your classpath can lead to disastrous situations, like a reverse shell attack. We have to write more defensive code to make this class work correctly. Spring Boot 2.6.x uses SnakeYAML 1.29 by default so something other than Spring Boot is controlling its version and setting it to 1.30. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. |
But the best would be to upgrade to the latest Spring BOot version in the 2.7 line. CVE-2022-25857, https://exchange.xforce.ibmcloud.com/vulnerabilities/234864, IBM Product Security Incident Response Blog, IBM security bulletin disclaimer and definitions. Is it normal? Snyk provides one-click fix PRs for vulnerable open source dependencies and their transitive dependencies. Even the latest Spring Boot version 3.1 does not currently ship with SnakeYaml 2.x. Edit: with SnakeYAML 2.x, I meant this one. The fixed versions of parsing libraries have the defensive code and filters to protect from attacks so never skip version upgrades. Scientific Integrity
The team is working on an upgrade strategy. @abegum123 this is already fixed and to be shipped with Spring Boot 2.6.12 and 2.7.4, see #32228, sorry @snicoll, my bad. @sreekanth-tf Yes, it should be fine as long as you don't have any .yml files. Please address comments about this page to nvd@nist.gov. You can work around this change in behaviour by quoting the value, thereby ensuring that it's left as-is: The forthcoming Spring Boot 2.6.x and 2.7.x releases adapt to the changes in SnakeYAML 1.31 so that this quoting isn't necessary (but won't do any harm). Contact Us | Please let us know. How many witnesses testimony constitutes or transcends reasonable doubt? SAP/cloud-security-services-integration-library#1134, SAP/cloud-security-services-integration-library#1133, micrometer-metrics/prometheus-rsocket-proxy#70, CVE-2022-1471 - A new vulnerability in SnakeYaml 1.30+, google/security-research project security post, Spring Boot is only parsing yaml from trusted sources, CVE-2022-1471 - Use of SnakeYaml Constructor, a Spring Boot version that's not supported anymore, https://github.com/springdoc/springdoc-openapi, CVE-2022-1471 - a new vulnerability in SnakeYaml 1.30+, Snakeyaml vulnerability in OpenSearch - autoclosed, Update yaml_snakeyaml dependency on 2.7.x to fix vulnerability, Snakeyaml vulnerability in quarkus 2.15.3 final, Loading application.yml fails with NoSuchMethodError when using SnakeYAML 2.0, SnakeYaml "NoSuchMethod" issue after updating to 4.19.1, Dependency org.yaml:snakeyaml, leading to CVE problem, CVE-2022-25857 - Upgrade to SnakeYAML 1.31, chore: Upgraded Snake YAML version to 2.0, chore: Upgraded Snake YAML version to 2.0 (, spring-projects/spring-boot#34405 (comment), spring-projects/spring-framework#30048 (comment). We recommend upgrading to version 2.0 and beyond. Finally, in February 2023, the SnakeYAML 2.0 release was pushed that resolves this flaw, also referred to as CVE-2022-1471. Run the SCA scanner to find out if youre affected by a CVE and update to the fixed versions. @bclozel made a change to adapt to this in 724f9eb. @Aleson, that's what your integration tests are for. Fix for free Package versions 1 - 31 of 31 Results Are we missing a CPE here? [3]. Severity CVSS Version 3.x CVSS Version 2.0 CVSS 3.x Severity and Metrics: CNA: Google Inc. I had the same warning in Springboot 3.0.6. Are Tucker's Kobolds scarier under 5e rules than in previous editions? Snakeyaml project apparently got ahead of the race and managed to close most of the findings, that can be closed in an API compatible way (without major version update). may have information that would be of interest to you. To do this, add the below code in pom.xml and re-run your application. !javax.script.ScriptEngineManager [! The javax.script.ScriptEngineManager class is from the Oracle/OpenJDK standard. @asomov I agree with you at the core it isn't Spring teams fault, but (unfortunately) not everyone is an expert at this topics, at least teams are drawn attention with the CVE and then it can be properly researched and act accordingly (Make sure you don't use unsafe constructor if parsing untrusted yaml files with snake.yaml library). Why Extend Volume is Grayed Out in Server 2016? CVSS Base score: 7.5 DESCRIPTION: snakeYAML is vulnerable to a denial of service, caused by improper input validation. This is a potential security issue, you are being redirected to
The library can parse all YAML 1.1 specifications [1], native types [2] and supports serializing and deserializing Java objects. @philwebb @bclozel Is it safe to exclude the snakeyaml dependency if we are using the application.properties instead of application.yml? However, SnakeYAML 1.33 still has a vulnerability. CVSS Base score: 5.3 Making statements based on opinion; back them up with references or personal experience. Supported by industry-leading application and security intelligence, Snyk puts security expertise in any developers toolkit. Here's the exploit in action using the vulnerable SnakeYAML 1.33. It also sounds like there might be some jackson compatibility issues that would burn me anyway unless I also upgrade jackson. If your scan includes SnakeYAML < 2.0, a high-severity vulnerability will appear, and if you use the `Constructor` method a vulnerable method finding will appear on your scan highlighting the vulnerable usage. |
References ext['snakeyaml.version'] = '1.31' Nevertheless, we simply can't predict how people are using a library like this. The issue to which I already linked answer this. Snyk provides one-click fix PRs for vulnerable open source dependencies and their transitive dependencies. Java serialization/de-serialization makes heavy use of reflection to scrape data from Object graphs. When parsing to a specific object, you can set the constructor the parser needs to use. Automatically find and fix vulnerabilities affecting your projects. Or this is too late ? This vulnerability has been modified since it was last analyzed by the NVD. Vulnerability Disclosure
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Typically you do something like this: When loading the YAML from the file in the example above, the input gets parsed to the generic Object.class, which is the supertype of all Object in Java. Deserializing yaml content provided by an attacker can lead to remote code execution. Well occasionally send you account related emails. Doing so would expose developers to possible behavior or API changes that would disrupt their application. See 0789dd0#diff-07741e308f54bc7fc66aabb0a1594c1ff8a9785103fb8cdf4c930ad3b44ed2c6.
DESCRIPTION: SnakeYAML is vulnerable to a denial of service, caused by a stack-overflow in parsing YAML files. That's why those findings are probably still treated as valid. Now, lets jump into how SnakeYAML 2.0 prevents the attack. Same mesh but different objects with separate UV maps? Stack-based Buffer Overflow vulnerability with medium severity found CVE-2022-1471 9.8 Unfortunately I can't mark it in general as "false positive". rev2023.7.14.43533. Snyk scans for vulnerabilities and provides fixes for free. SnakeYaml 2.0 was released in early 2023 to mitigate the default behavior that can lead to possible arbitrary code execution. In the December of last year, we reported CVE-2022-1471 to you. Sign in Is it legal to not accept cash as a brick and mortar establishment in France? You can run SnakeYaml 2.0 with compatible Spring Boot versions. Using SafeConstructor is especially useful when you're parsing untrusted content.
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