CVE-2026-110449

nix: Nix before 2.35.3 and Lix before 2.95.4 have an integer overflow and resultant out-of-bounds write when evaluating un...

CVE-2026-110449 is fixed in nix on 1 platform by DEBIAN-CVE-2026-110449 (version 2.35.4+dfsg-1), released November 3, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0025
16th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
nix · Debian 14 2.35.4+dfsg-1 DEBIAN-CVE-2026-110449 Nov 3, 2026

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