{"id":"CVE-2026-110451","aliases":["EUVD-2026-100807","GHSA-5h53-jg3j-22gg","UBUNTU-CVE-2026-110451"],"status":"published","title":"Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an...","description":"Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00131,"percentile":0.02782,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-10-14T04:08:10Z","modified":"2026-10-17T12:59:51Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"nix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.10+dfsg1-1","2.3.10+dfsg1-1build1","2.6.0+dfsg-2","2.6.0+dfsg-3","2.6.0+dfsg-3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"nix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.16.1+dfsg-3ubuntu1","2.18.1+dfsg-1ubuntu1","2.18.1+dfsg-1ubuntu2","2.18.1+dfsg-1ubuntu4","2.18.1+dfsg-1ubuntu5","2.18.1+dfsg-1ubuntu5+esm2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"nix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.34.3+dfsg-1","2.34.6+dfsg-1","2.34.6+dfsg-1build1","2.34.8+dfsg-1","2.34.8+dfsg-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"nix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.26.3+dfsg-1ubuntu4","2.26.3+dfsg-1ubuntu5","2.32.5+dfsg-1ubuntu3","2.32.5+dfsg-2ubuntu1","2.34.3+dfsg-1"]}],"products":[{"vendor":"nixos","product":"nix"}],"references":[{"url":"https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110451"},{"url":"https://github.com/advisories/GHSA-5h53-jg3j-22gg"},{"url":"https://ubuntu.com/security/CVE-2026-110451","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110451","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-110451","description":"Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.","status":"published","published":"2026-10-14T04:08:10.471Z","modified":"2026-10-14T14:54:42.999Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-100807","description":"Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.","status":"published","published":"2026-10-14T04:08:10Z","modified":"2026-10-14T14:54:42Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:15.108271Z"}],"ghsa":[{"id":"GHSA-5h53-jg3j-22gg","title":"Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an...","description":"Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.","status":"published","published":"2026-10-14T06:31:14Z","modified":"2026-10-14T06:31:22Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:13:22.867821Z"}],"nvd":[{"id":"CVE-2026-110451","description":"Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.","status":"published","published":"2026-10-14T05:16:43.073Z","modified":"2026-10-16T19:56:15.773Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:58.99337Z"}],"osv":[{"id":"UBUNTU-CVE-2026-110451","description":"Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.","status":"published","published":"2026-10-14T05:16:00Z","modified":"2026-10-17T12:59:51.989978058Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}