CVE-2026-110856GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_date

Descripción

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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• GitHub Security Advisory (GHSA-m64x-33q8-m5h7) vendor-advisory
• VulnCheck Advisory: GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_date third-party-advisory