{"id":"CVE-2026-109349","revision":"a2300d509c894f1f903ff34f4d49f888","records":[{"revision":"a2300d509c894f1f903ff34f4d49f888","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109349","aliases":[],"title":"gix-pack before 0.75.0 Reachable Assertion DoS via Pack Version 3 Header","description":"gitoxide gix-pack before 0.75.0 contains a reachable assertion in BytesToEntriesIter::new_from_header: the pack header decoder accepts version 3, but a release-enabled assert_eq! requires version 2. A malicious remote can send a 12-byte pack header declaring version 3 to panic the client and abort the clone or fetch.","state":0,"publishedAt":"2026-10-12T16:05:32.535+00:00","modifiedAt":"2026-10-13T16:53:40.906+00:00","affected":[{"ecosystem":"Vendor product","name":"gix-pack","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"GitoxideLabs\",\n                    \"product\": \"gix-pack\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"0.75.0\"\n                        },\n                        {\n                            \"version\": \"0.75.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageName\": \"gix-pack\",\n                    \"packageURL\": \"pkg:cargo/gix-pack\"\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:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-633h-mqjc-8rwg","https://www.vulncheck.com/advisories/gix-pack-before-0.75.0-reachable-assertion-dos-via-pack-version-3-header"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109349","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109349","identifiers":["CVE-2026-109349"]},"retained":false,"historicalAffected":[]}],"coverage":[]}