{"id":"CVE-2026-110856","revision":"67d202d55ea14c19bdecbd858a85c157","records":[{"revision":"67d202d55ea14c19bdecbd858a85c157","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110856","aliases":[],"title":"GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_date","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.","state":0,"publishedAt":"2026-10-14T22:52:38.541+00:00","modifiedAt":"2026-10-20T02:25:27.631+00:00","affected":[{"ecosystem":"Vendor product","name":"GitPython","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"gitpython-developers\",\n                    \"product\": \"GitPython\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:pypi/GitPython\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.2.0\"\n                        },\n                        {\n                            \"version\": \"3.2.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-m64x-33q8-m5h7","https://www.vulncheck.com/advisories/gitpython-before-3.2.0-redos-via-re-actor-epoch-in-parse-actor-and-date"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110856","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110856","identifiers":["CVE-2026-110856"]},"retained":false,"historicalAffected":[]}],"coverage":[]}