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VULNERABILITIES

CVE-2026-110856 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-m64x-33q8-m5h7 CISA-ADP
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-m64x-33q8-m5h7 [email protected]
https://www.vulncheck.com/advisories/gitpython-before-3.2.0-redos-via-re-actor-epoch-in-parse-actor-and-date [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1333Inefficient Regular Expression Complexity[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-110856
NVD Published Date:
Oct 14, 2026
NVD Last Modified:
Oct 20, 2026
Source:
[email protected]
CVE-2026-110856 Details - Not Deferred