{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-110856", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-14T22:16:22.734Z", "datePublished": "2026-10-14T22:52:38.541Z", "dateUpdated": "2026-10-14T22:52:38.541Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-14T22:52:38.541Z"}, "datePublic": "2026-09-30T00:00:00.000Z", "title": "GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_date", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Inefficient Regular Expression Complexity", "cweId": "CWE-1333", "type": "CWE"}]}], "affected": [{"vendor": "gitpython-developers", "product": "GitPython", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/GitPython", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "3.2.0"}, {"version": "3.2.0", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.2.0"}]}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.7, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-m64x-33q8-m5h7", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-m64x-33q8-m5h7)"}, {"name": "VulnCheck Advisory: GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_date", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/gitpython-before-3.2.0-redos-via-re-actor-epoch-in-parse-actor-and-date"}], "credits": [{"lang": "en", "value": "BrianWillows", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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