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YAML timestamps not handled properly with SnakeYaml 1.31 #32229
Hi @bclozel is snakeyaml release 1.33 also supported by spring-boot 2.7.4? The changelog looks inconspicuous and our software passes alle tests. But I am not quite sure what snakeyaml really does in spring boot.
Hey there, May I know what kind of open source policy is preventing the spring boot from including the latest snakeyaml in its distribution? it looks like even 1.32, and 1.33 is also reported with security vulnerabilities, why can't spring-team consider a custom solution for its yaml processing?
@fabian-froehlich it's only being used for parsing your application.yml, so if your configuration is parsed and your tests pass you should be good. I've just ran our entire test suite on the main branch against this new version and everything is green.
@sreekanth-tfour upgrade policy describes the rationale here - we don't upgrade minor versions of third party dependencies in maintenance releases as this might cause behavior changes for applications. Right now, we don't feel like creating our own YAML parser is in scope for this project. Arguably, creating our own would not prevent CVEs anyway.
Reacted by Sreekanth, fabian-froehlich and clemens
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Merge branch '2.6.x' into 2.7.x
[-]Support for SnakeYaml 1.31[/-][+]YAML timestamps not handled properly with SnakeYaml 1.31[/+]albertwangnz commentedon Sep 15, 2022
Hi @bclozel , snakeyaml released 1.32. Will Spring Boot 2.7.4 support it? Thanks.
Albert
bclozel commentedon Sep 17, 2022
Yes it will support it, but the default managed version will not change.
fabian-froehlich commentedon Sep 27, 2022
Hi @bclozel is snakeyaml release 1.33 also supported by spring-boot 2.7.4? The changelog looks inconspicuous and our software passes alle tests. But I am not quite sure what snakeyaml really does in spring boot.
sreekanth-tf commentedon Sep 27, 2022
Hey there, May I know what kind of open source policy is preventing the spring boot from including the latest snakeyaml in its distribution? it looks like even 1.32, and 1.33 is also reported with security vulnerabilities, why can't spring-team consider a custom solution for its yaml processing?
bclozel commentedon Sep 27, 2022
@fabian-froehlich it's only being used for parsing your
application.yml, so if your configuration is parsed and your tests pass you should be good. I've just ran our entire test suite on the main branch against this new version and everything is green.@sreekanth-tf our upgrade policy describes the rationale here - we don't upgrade minor versions of third party dependencies in maintenance releases as this might cause behavior changes for applications. Right now, we don't feel like creating our own YAML parser is in scope for this project. Arguably, creating our own would not prevent CVEs anyway.
bclozel commentedon Sep 27, 2022
@sreekanth-tf this would make Jackson a required dependency for all Spring Boot applications, which is not the case right now.
sreekanth-tf commentedon Sep 27, 2022
I got your point, thanks..... also jackson-dataformat-yaml internally depends on snakeyaml 🤣