CVE-2023-6936

Summary

CVE-2023-6936 is a vulnerability affecting the wolfSSL library before version 5.6.6. If callback functions are enabled using the WOLFSSL_CALLBACKS flag, a malicious TLS client or network attacker can exploit this issue to cause a buffer over-read, resulting in a heap-based memory corruption of 5 bytes. This vulnerability, which is only intended for debugging purposes, poses a potential risk to systems using wolfSSL in production environments.

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