DescriptionUsing snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stack-overflow.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1021014

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
snakeyaml (PTS)buster1.23-1vulnerable
buster (security)1.23-1+deb10u1vulnerable
bookworm, sid, trixie1.33-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

Notes (not public)
Deemed a false positive by upstream, only added a test

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