CVE-2026-110449: Nix 0 to before 2.28.8, 2.29.0 to before 2.30.6, 2.31.0 to before 2.31.6, 2.32.0 to before 2.34.9, 2.35.0 to before…

Affected technology

Nix · 0 to before 2.28.8, 2.29.0 to before 2.30.6, 2.31.0 to before 2.31.6, 2.32.0 to before 2.34.9, 2.35.0 to before 2.35.3
NixOS

Description’s affected range: 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

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality impact as none; integrity impact as high; availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.