CVE-2026-110449

high

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.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-100802

https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547

Details

Source: Mitre, NVD

Published: 2026-10-14

Updated: 2026-10-14

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:C/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L

Severity: High

EPSS

EPSS: 0.00249

Detections

Analytics