CVE-2026-87819

NameCVE-2026-87819
DescriptionGitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.name_email_regex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic backtracking, exhausting CPU resources for over two minutes per commit access.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-git (PTS)bookworm3.1.30-1+deb12u2vulnerable
trixie3.1.44-1vulnerable
forky, sid3.1.61-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-gitsource(unstable)3.1.61-1

Notes

https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-g5vv-9gxw-82hx

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