Directory Traversal Affecting nix package, versions <2.34.8+dfsg-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.75% (54th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-NIX-16422948
  • published5 May 2026
  • disclosed5 May 2026

Introduced: 5 May 2026

CVE-2026-44029  (opens in a new tab)
CWE-36  (opens in a new tab)

How to fix?

Upgrade Debian:unstable nix to version 2.34.8+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nix package and not the nix package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

An issue was discovered in Nix before 2.34.7. Writing to arbitrary files can occur via "nix-prefetch-url --unpack" or "nix store prefetch-file --unpack" directory traversal. The fixed versions are 2.34.7, 2.33.6, 2.32.8, 2.31.5, 2.30.5, 2.29.4, and 2.28.7 (introduced in 2.24.7);

CVSS Base Scores

version 3.1