USN-7368-1: SnakeYAML vulnerability

27 March 2025

SnakeYAML could be made to crash if it received specially crafted input.

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Releases

Packages

  • snakeyaml - YAML parser and emitter for the Java programming language

Details

It was discovered that SnakeYAML incorrectly handled recursive
entity references. An attacker could possibly use this issue to
cause SnakeYAML to crash, resulting in a denial of service.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

In general, a standard system update will make all the necessary changes.

References

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Further reading