CVE-2026-5393

6.3 mediumEPSS 0.2%

Medium (6.3) in wolfssl wolfssl. EPSS 0.2% chance of exploitation in the next 30 days.

Dual-Algorithm CertificateVerify out-of-bounds read. When processing a dual-algorithm CertificateVerify message, an out-of-bounds read can occur on crafted input. This can only occur when --enable-experimental and --enable-dual-alg-certs is used when building wolfSSL.

Severity

CVSS 4.0

6.3 medium

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

9.1 critical

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2026-04-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wolfssl:wolfssl

References

https://github.com/wolfSSL/wolfssl/pull/10079

Check your stack JSON