CVE-2026-7531

Use-after-free in PQC hybrid key-share handling

CVSS 2.3 LOWEPSS 0.3%CWE-416

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.

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

Produtos afetados

wolfSSL · wolfSSL

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Referências

https://github.com/wolfSSL/wolfssl/pull/10327 https://www.wolfssl.com/docs/security-vulnerabilities/