CVE-2026-40200

HIGH

8.1

Description

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).

CVE Details

CVSS v3.1 Score8.1

SeverityHIGH

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

Attack VectorLOCAL

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published4/10/2026

Last Modified4/10/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-670

References

https://musl.libc.org/releases.html(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2026/04/10/13(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2026/04/10/13(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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