Understanding and Defending Against the OpenSSL DTLS Heap Memory Leak Vulnerability
A high-severity vulnerability in OpenSSL's DTLS implementation can lead to heap memory leaks or program crashes. This vulnerability, patched by OpenSSL on September 29, 2026, affects the DTLS protocol used for UDP traffic. Understanding the root cause, attack surface, and exploitation mechanics is crucial for defenders to apply immediate mitigations and long-term hardening strategies.