CVE-2026-5393
No fix known EPSS <1%CVSS 6.3
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.
Products: wolfssl
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | wolfssl | no fix |
| Debian 13 | wolfssl | no fix |
| Ubuntu 16.04 LTS | wolfssl | no fix |
| Ubuntu 18.04 LTS | wolfssl | no fix |
| Ubuntu 20.04 LTS | wolfssl | no fix |
| Ubuntu 22.04 LTS | wolfssl | no fix |
| Ubuntu 24.04 LTS | wolfssl | no fix |
| Ubuntu 25.10 | wolfssl | no fix |
| Ubuntu 26.04 LTS | wolfssl | no fix |
| Ubuntu 26.10 | wolfssl | no fix |