CVE-2026-110856
highGitPython before 3.2.0 contains a regular expression denial of service vulnerability in the _re_actor_epoch pattern used by parse_actor_and_date on author, com…
GitPython before 3.2.0 contains a regular expression denial of service vulnerability in the _re_actor_epoch pattern used by parse_actor_and_date on author, committer, and tagger lines. Attackers can serve repositories with commit or tag objects containing long space-filled lines lacking a valid epoch or timezone, causing quadratic backtracking and CPU exhaustion.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-m64x-33q8-m5h7 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/gitpython-before-3.2.0-redos-via-re-actor-epoch-in-pa... disclosure@vulncheck.com
- https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-m64x-33q8-m5h7 134c704f-9b21-4f2e-91b3-4a467353bcc0
