GHSA-qrwv-475h-2439

GHSA-qrwv-475h-2439 PUBLISHED CVSS 8.100000381469727 HIGH

An issue was discovered in musl libc 0.7.10 through 1.2.6. Stack-based memory corruption can occur during qsort of very large arrays, due to incorrectly implemented double-word primitives. The number of elements must exceed about seven million, i.e., the 32nd Leonardo number on 32-bit platforms (or the 64th Leonardo number on 64-bit platforms, which is not practical).

Risk Scores

CVSS 3.1

8.100000381469727

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Timeline

Apr 10, 2026 CVE Published
Apr 11, 2026 Security Advisory

References

https://nvd.nist.gov/vuln/detail/CVE-2026-40200 advisory
https://musl.libc.org/releases.html url
https://www.openwall.com/lists/oss-security/2026/04/10/13 url
http://www.openwall.com/lists/oss-security/2026/04/10/13 url

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