CVE-2026-40200 - Vulnerability Analysis

Overview

musl libc 0.7.10 through 1.2.6 contains a buffer overflow caused by incorrectly implemented double-word primitives in qsort, letting attackers cause stack-based memory corruption, exploit requires sorting very large arrays.

Severity & Score

Impact

Attackers can cause stack-based memory corruption, potentially leading to denial of service or code execution.

Mitigation

Update to the latest version of musl libc.

References

• https://musl.libc.org/releases.html
• https://www.openwall.com/lists/oss-security/2026/04/10/13
• http://www.openwall.com/lists/oss-security/2026/04/10/13

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner