CVE-2026-110449

{"id": "CVE-2026-110449", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-110449", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-14T14:22:11.834069Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.7, "exploitabilityScore": 2.2}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "NixOS", "product": "Nix", "versions": [{"status": "affected", "version": "0", "lessThan": "2.28.8", "versionType": "semver"}, {"status": "affected", "version": "2.29.0", "lessThan": "2.30.6", "versionType": "semver"}, {"status": "affected", "version": "2.31.0", "lessThan": "2.31.6", "versionType": "semver"}, {"status": "affected", "version": "2.32.0", "lessThan": "2.34.9", "versionType": "semver"}, {"status": "affected", "version": "2.35.0", "lessThan": "2.35.3", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-14T04:18:17.317", "references": [{"url": "https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547", "source": "cve@mitre.org"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-10-16T19:56:15.773", "sourceIdentifier": "cve@mitre.org"}