{"id":"CVE-2026-109348","revision":"f7596a91fd864f53b1f7890d459fdce2","records":[{"revision":"f7596a91fd864f53b1f7890d459fdce2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109348","aliases":[],"title":"Gitoxide gix-mailmap before 0.35.0 CPU Denial of Service via .mailmap Parsing","description":"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 entries forcing repeated front inserts, blocking workers running log, blame, or shortlog for minutes.","state":0,"publishedAt":"2026-10-12T16:05:31.899+00:00","modifiedAt":"2026-10-13T16:16:02.083+00:00","affected":[{"ecosystem":"Vendor product","name":"gix-mailmap","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"GitoxideLabs\",\n                    \"product\": \"gix-mailmap\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:cargo/gix-mailmap\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"0.35.0\"\n                        },\n                        {\n                            \"version\": \"0.35.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageName\": \"gix-mailmap\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-pmpw-wwcm-r8rc","https://www.vulncheck.com/advisories/gitoxide-gix-mailmap-before-0.35.0-cpu-denial-of-service-via-mailmap-parsing"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109348","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109348","identifiers":["CVE-2026-109348"]},"retained":false,"historicalAffected":[]}],"coverage":[]}