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.

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History

Thu, 15 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Wed, 14 Oct 2026 23:00:00 +0000

Type Values Removed Values Added
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.
Title GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_date
First Time appeared Gitpython Project
Gitpython Project gitpython
Weaknesses CWE-1333
CPEs cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:*:*:*
Vendors & Products Gitpython Project
Gitpython Project gitpython
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-14T22:52:38.541Z

Reserved: 2026-10-14T22:16:22.734Z

Link: CVE-2026-110856

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T23:17:26.760

Modified: 2026-10-15T20:33:06.527

Link: CVE-2026-110856

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-14T22:52:38Z

Links: CVE-2026-110856 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-15T12:15:06Z

Weaknesses