What’s Vulnerable › Vulnerabilities
CVE-2026-110449
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-14 · updated 2026-10-16
- Weakness: CWE-190
Description
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.
Affected products
- NixOS Nix: before 2.28.8; from 2.29.0 before 2.30.6; from 2.31.0 before 2.31.6; from 2.32.0 before 2.34.9; from 2.35.0 before 2.35.3 — fixed in 2.28.8, 2.30.6, 2.31.6, 2.34.9, 2.35.3
How to fix
Upgrade to a fixed version: NixOS Nix 2.28.8, 2.30.6, 2.31.6, 2.34.9. Check the vendor advisory for mitigations.
References
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