What is GHSA-f52j-wg44-2h83?

GHSA-f52j-wg44-2h83 is a security advisory published by GitHub Security Advisories with High severity. GitPython before 3.2.0 contains a regular expression denial of service vulnerability in the...

Which CVE IDs does GHSA-f52j-wg44-2h83 cover?

GHSA-f52j-wg44-2h83 covers the following CVE IDs: CVE-2026-110856. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f52j-wg44-2h83?

GHSA-f52j-wg44-2h83 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-f52j-wg44-2h83HighCVSS 7.5

GitPython before 3.2.0 contains a regular expression denial of service vulnerability in the...

Vendor

GitHub Security Advisories

Published

October 15, 2026

Last Modified

October 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-110856 →

📋 Description

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.

🔗 References (4)

https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-m64x-33q8-m5h7
https://nvd.nist.gov/vuln/detail/CVE-2026-110856
https://www.vulncheck.com/advisories/gitpython-before-3.2.0-redos-via-re-actor-epoch-in-parse-actor-and-date
https://github.com/advisories/GHSA-f52j-wg44-2h83