{"id":"CVE-2026-109348","title":"Gitoxide gix-mailmap before 0.35.0 contains a denial of service vulnerability that allows attackers to exhaust CPU through quadratic-time parsing in Snapshot::from_bytes","summary":"Gitoxide gix-mailmap before 0.35.0 contains a denial of service vulnerability that allows attackers to exhaust CPU through quadratic-time parsing in Snapshot::from_bytes. Attackers can commit a crafted .mailmap with descending-ordered en…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","cwe":["CWE-407"],"published":"2026-10-12","updated":"2026-10-12","sourceUpdated":"2026-10-12T17:17:31.673","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109348","references":[{"url":"https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-pmpw-wwcm-r8rc","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/gitoxide-gix-mailmap-before-0.35.0-cpu-denial-of-service-via-mailmap-parsing","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-12T18:00:08.210Z","slug":"CVE-2026-109348","body":"## Overview\n\nGitoxide gix-mailmap before 0.35.0 contains a denial of service vulnerability that allows attackers to exhaust CPU through quadratic-time parsing in Snapshot::from_bytes. Attackers can commit a crafted .mailmap with descending-ordered entries forcing repeated front inserts, blocking workers running log, blame, or shortlog for minutes.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}