CVE-2026-110449 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact High

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00249.

Key SSVC decision points have not yet been added.

Vendors	Products
Nixos Subscribe	Nix Subscribe

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Wed, 14 Oct 2026 04:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Nixos Nixos nix
CPEs		cpe:2.3:a:nixos:nix::::::::
Vendors & Products		Nixos Nixos nix

Wed, 14 Oct 2026 04:15:00 +0000

Type	Values Removed	Values Added
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.
Weaknesses		CWE-190
References		https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-10-14T03:59:11.284Z

Updated: 2026-10-14T14:22:22.609Z

Reserved: 2026-10-14T03:59:10.591Z

Link: CVE-2026-110449

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-10-14T04:18:17.317

Modified: 2026-10-14T05:16:42.790

Link: CVE-2026-110449

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-190

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