NixOS Lix/Nix up to 2.35.2 integer overflow

Summaryinfo

A vulnerability classified as critical was found in NixOS Lix and Nix up to 2.28.7/2.30.5/2.31.5/2.34.8/2.35.2. Affected by this vulnerability is an unknown functionality. The manipulation results in integer overflow. This vulnerability is cataloged as CVE-2026-110449. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in NixOS Lix and Nix up to 2.28.7/2.30.5/2.31.5/2.34.8/2.35.2. Affected is an unknown function. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on integrity, and availability. CVE summarizes:

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 advisory is available at discourse.nixos.org. This vulnerability is traded as CVE-2026-110449 since 10/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 2.28.8, 2.30.6, 2.31.6, 2.34.9 or 2.35.3 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• NixOS

Name

• Lix
• Nix

Version

• 2.28.0
• 2.28.1
• 2.28.2
• 2.28.3
• 2.28.4
• 2.28.5
• 2.28.6
• 2.28.7
• 2.30.0
• 2.30.1
• 2.30.2
• 2.30.3
• 2.30.4
• 2.30.5
• 2.31.0
• 2.31.1
• 2.31.2
• 2.31.3
• 2.31.4
• 2.31.5
• 2.34.0
• 2.34.1
• 2.34.2
• 2.34.3
• 2.34.4
• 2.34.5
• 2.34.6
• 2.34.7
• 2.34.8
• 2.35.0
• 2.35.1
• 2.35.2

CPE 2.3info

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CPE 2.2info

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CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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