{"id":"DEBIAN-CVE-2026-110856","details":"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.","modified":"2026-10-15T12:00:08.214172504Z","published":"2026-10-14T23:17:26.760Z","upstream":["CVE-2026-110856"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-110856"}],"affected":[{"package":{"name":"python-git","ecosystem":"Debian:12","purl":"pkg:deb/debian/python-git?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.30-1","3.1.30-1+deb12u2","3.1.36-1","3.1.37-1","3.1.37-2","3.1.37-3","3.1.44-1","3.1.45-1","3.1.46-1","3.1.50-1","3.1.61-1","3.1.62-1","3.1.62-2","3.1.62-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-110856.json"}},{"package":{"name":"python-git","ecosystem":"Debian:13","purl":"pkg:deb/debian/python-git?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.44-1","3.1.45-1","3.1.46-1","3.1.50-1","3.1.61-1","3.1.62-1","3.1.62-2","3.1.62-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-110856.json"}},{"package":{"name":"python-git","ecosystem":"Debian:14","purl":"pkg:deb/debian/python-git?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.44-1","3.1.45-1","3.1.46-1","3.1.50-1","3.1.61-1","3.1.62-1","3.1.62-2","3.1.62-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-110856.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}