CVE-2026-110449CWE-190

CVE-2026-110449

High · published October 14, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
15.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00249 · 15.3th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-10-14T08:18Z
References (1)
https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 14 OCT 03:59Z
    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…
    cvelistv5
  • 14 OCT 03:59Z
    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…
    cvelistv5