CVE-2026-38640

highCVSS 7.5covered by 1 sourcefirst seen 2026-06-25

A reachable unwrap in the __assert_fail function (/assert/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted string.

⚡ Watch CVE-2026-38640

Get an email if CVE-2026-38640 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Exploitation outlook

Low exploitation risk0.45% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-38640: A reachable unwrap in the __assert_fail function (/assert/mod.rs) of relibc commit 61f42d allo…nvd · 2026-06-25

External references

NVD record for CVE-2026-38640

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2026-38640 status](https://www.csirts.com/badge/CVE-2026-38640)](https://www.csirts.com/cve/CVE-2026-38640)