CVE-2026-110449
HIGHCVSS 7.5/10EPSS 0.25%
Last modified
CVE-2026-110449 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| NixOS | Nix | < 2.28.8; >= 2.29.0, < 2.30.6; >= 2.31.0, < 2.31.6; >= 2.32.0, < 2.34.9; >= 2.35.0, < 2.35.3 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-110449?
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.
How severe is CVE-2026-110449?
CVE-2026-110449 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-110449?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2026-110449?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST