========================================================================== Ubuntu Security Notice USN-7368-1 March 27, 2025
snakeyaml vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: SnakeYAML could be made to crash if it received specially crafted input. Software Description: - 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. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS libyaml-snake-java 1.25+ds-2ubuntu0.1+esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS libyaml-snake-java 1.23-1+deb10u1ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 16.04 LTS libyaml-snake-java 1.12-2ubuntu0.16.04.1~esm2 Available with Ubuntu Pro Ubuntu 14.04 LTS libyaml-snake-java 1.12-2ubuntu0.14.04.1~esm2 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7368-1 CVE-2017-18640
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