{"id":"CVE-2026-110449","title":"Nix before 2.35.3 and Lix before 2.95.4 have an integer overflow and resultant out-of-bounds write when evaluating untrusted expressions because list allocation is mishandled.","summary":"Nix before 2.35.3 and Lix before 2.95.4 have an integer overflow and resultant out-of-bounds write when evaluating untrusted expressions because list allocation is mishandled.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L","cwe":["CWE-190"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T05:16:42.790","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110449","references":[{"url":"https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547","label":"cve@mitre.org"}],"tags":["nvd"],"ingestedAt":"2026-10-14T05:14:27.654Z","slug":"CVE-2026-110449","body":"## Overview\n\nNix before 2.35.3 and Lix before 2.95.4 have an integer overflow and resultant out-of-bounds write when evaluating untrusted expressions because list allocation is mishandled.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}