CVE-2026-110449
Published:October 14, 2026
Updated:October 14, 2026
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 Packages
nix (CONDA):
Affected version(s) >=2.35.1 <2.35.3Fix Suggestion:
Update to version 2.35.3https://github.com/NixOS/nix.git (GITHUB):
Affected version(s) >=2.35.0 <2.35.3Fix Suggestion:
Update to version 2.35.3https://github.com/NixOS/nix.git (GITHUB):
Affected version(s) >=2.28.0 <2.28.8Fix Suggestion:
Update to version 2.28.8https://github.com/NixOS/nix.git (GITHUB):
Affected version(s) >=2.34.0 <2.34.9Fix Suggestion:
Update to version 2.34.9https://github.com/NixOS/nix.git (GITHUB):
Affected version(s) >=2.31.0 <2.31.6Fix Suggestion:
Update to version 2.31.6https://github.com/NixOS/nix.git (GITHUB):
Affected version(s) >=2.30.0 <2.30.6Fix Suggestion:
Update to version 2.30.6https://git.lix.systems/lix-project/lix.git (SCM_GIT):
Affected version(s) >=2.94.0 <2.94.3Fix Suggestion:
Update to version 2.94.3https://git.lix.systems/lix-project/lix.git (SCM_GIT):
Affected version(s) >=2.95.0 <2.95.4Fix Suggestion:
Update to version 2.95.4Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
HIGH
Subsequent System Availability
LOW
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Integer Overflow or Wraparound