VDB
CVE-2026-40200
CVE-2026-40200
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).
EPSS 0.02% · 5.8th percentile
Risk Scores
CVSS v3.1
8.100000381469727
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score
0.02%
5.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| musl-libc | musl | 0.7.10, 0.7.10 |
Timeline
- Apr 10, 2026 CVE Published
- Apr 10, 2026 PoC Published
- Apr 10, 2026 PoC Published
- Apr 11, 2026 EPSS Score
- Apr 13, 2026 Security Advisory
- Apr 14, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
References
- 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
- https://advisory.splunk.com/advisories/SVD-2026-0512 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0513 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0509 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0510 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0505 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0515 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0507 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0506 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0508 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0504 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0514 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0516 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0501 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0503 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0511 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0502 advisory