Vulnerability CVE-2023-6936


Published: 2024-02-20

Description:
In wolfSSL prior to 5.6.6, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS client or network attacker can trigger a buffer over-read on the heap of 5 bytes (WOLFSSL_CALLBACKS is only intended for debugging).

 References:
https://github.com/wolfSSL/wolfssl/pull/6949/
https://www.wolfssl.com/docs/security-vulnerabilities/

Copyright 2026, cxsecurity.com

 

Back to Top