{"id":"CVE-2026-110451","title":"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.","summary":"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":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","cwe":["CWE-863"],"vendor":"NixOS","product":"Nix","affected":["Nix < 2.28.8","Nix >= 2.29.0 < 2.30.6","Nix >= 2.31.0 < 2.31.6","Nix >= 2.32.0 < 2.34.9","Nix >= 2.35.0 < 2.35.3"],"published":"2026-10-14","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:56:15.773","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110451","references":[{"url":"https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"epss":0.00131,"epssPercentile":0.02706,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T14:54:20.682665Z"},"ingestedAt":"2026-10-14T06:17:13.781Z","slug":"CVE-2026-110451","body":"## Overview\n\nNix 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.\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":[]}