cvedb.io
CVE-2026-7531
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-06-25T20:17:17.763 · Last modified 2026-06-26T16:53:58.953

Summary

Use-after-free in PQC hybrid key-share handling. This is an incomplete-fix follow-up to CVE-2026-5460 (released in 5.9.1): a malicious TLS 1.3 server sending a truncated PQC hybrid KeyShare can still trigger the error cleanup path to operate on freed memory.

Affected products

wolfssl — wolfssl

Does this affect you?

Add your gear to cvedb and we'll alert you only when wolfssl ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.