What is CVE-2026-44028?

CVE-2026-44028 is a high-severity vulnerability in Lix Project, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2026-05-05.

How severe is CVE-2026-44028?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Lix Project

CVE-2026-44028

An issue was discovered in Nix before 2.34.7 and Lix before 2.95.2. Unbounded recursion in the NAR (Nix Archive) parser could lead to a stack-to-heap overflow when the parser is run on a coroutine stack. The stack is allocated without a gu…

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Lix Project — versions 2.93.0, 2.94.0, 2.95.0
Nixos Nix — versions 2.24.4, 2.29.0, 2.30.0

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

cve@mitre.org
cve@mitre.org
cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-44028?: CVE-2026-44028 is a high-severity vulnerability in Lix Project, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2026-05-05.
How severe is CVE-2026-44028?: High severity. CVSS v3 base score is 7.5 out of 10.