{"id":"CVE-2026-123533","aliases":["AZL-113263","AZL-113284","DEBIAN-CVE-2026-123533","EUVD-2026-119418","GHSA-5h7f-ghvg-967h","GHSA-989c-xj77-266r","UBUNTU-CVE-2026-123533"],"status":"published","title":"Gitoxide before 0.42.0 Denial of Service via Crafted Commit-Graph File","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00113,"percentile":0.0145,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-248"],"published":"2026-11-08T01:37:41Z","modified":"2026-11-11T14:17:32Z","affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"rust","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.75.0-31"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"rust","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.85.0"},{"last_affected":"1.98.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"rust-gix-commitgraph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.25.1-1","0.29.0-1","0.37.0-1","0.38.0-1","0.39.0-1","0.41.0-1"]},{"source":"osv","ecosystem":"Debian:14","package":"rust-gix-commitgraph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.25.1-1","0.29.0-1","0.37.0-1","0.38.0-1","0.39.0-1","0.41.0-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"rust-gix-commitgraph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.22.1-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"rust-gix-commitgraph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.29.0-1","0.37.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"rust-gix-commitgraph","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.25.1-1","0.29.0-1"]}],"products":[{"vendor":"gitoxidelabs","product":"gitoxide"}],"references":[{"url":"https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-989c-xj77-266r","tags":["vendor-advisory","advisory","report"]},{"url":"https://www.vulncheck.com/advisories/gitoxide-before-0.42.0-denial-of-service-via-crafted-commit-graph-file","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123533","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-5h7f-ghvg-967h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123533.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-123533","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-123533","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-123533","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-123533","title":"Gitoxide before 0.42.0 Denial of Service via Crafted Commit-Graph File","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","status":"published","published":"2026-11-08T01:37:41.681Z","modified":"2026-11-10T17:59:25.756Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-248"],"updated_at":"2026-11-08T02:36:49.037074Z"}],"euvd":[{"id":"EUVD-2026-119418","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","status":"published","published":"2026-11-08T01:37:41Z","modified":"2026-11-10T17:59:25Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-08T06:12:04.782489Z"}],"ghsa":[{"id":"GHSA-5h7f-ghvg-967h","title":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service...","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","status":"published","published":"2026-11-08T03:30:31Z","modified":"2026-11-08T03:30:38Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-248"],"updated_at":"2026-11-08T03:41:53.166172Z"}],"nvd":[{"id":"CVE-2026-123533","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","status":"published","published":"2026-11-08T02:16:43.547Z","modified":"2026-11-10T18:17:24.817Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-248"],"updated_at":"2026-11-10T20:21:08.995077Z"}],"osv":[{"id":"CVE-2026-123533","title":"Gitoxide before 0.42.0 Denial of Service via Crafted Commit-Graph File","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","status":"published","published":"2026-11-08T01:37:41.681Z","modified":"2026-11-12T02:48:34.992447484Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-248"],"updated_at":"2026-11-08T11:04:08.386699Z"},{"id":"DEBIAN-CVE-2026-123533","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","status":"published","published":"2026-11-08T02:16:43.547Z","modified":"2026-11-11T10:00:52.169069769Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-11T10:35:16.464644Z"},{"id":"UBUNTU-CVE-2026-123533","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","status":"published","published":"2026-11-09T00:00:00Z","modified":"2026-11-10T02:50:21.856805909Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-10T03:18:58.105788Z"},{"id":"AZL-113263","title":"CVE-2026-123533 affecting package rust 1.75.0-31","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","status":"published","published":"2026-11-08T02:16:43Z","modified":"2026-11-11T14:17:32.578527148Z","updated_at":"2026-11-11T14:42:54.020399Z"},{"id":"AZL-113284","title":"CVE-2026-123533 affecting package rust 1.98.1-1","description":"gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.","status":"published","published":"2026-11-08T02:16:43Z","modified":"2026-11-11T14:17:32.431302987Z","updated_at":"2026-11-11T14:42:54.020399Z"}]}}