CVE-2026-6325: wolfSSL

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Out-of-bounds write in SetSuitesHashSigAlgo when processing an oversized signature algorithms list, allowing a write past the bounds of the destination buffer.

Affected products

• wolfSSL wolfSSL: from 4.8.0, before 5.9.2 (fixed in 5.9.2)

Published 2026-06-25. Last modified 2026-06-27.