CVE-2025-65501

A null pointer dereference vulnerability exists in the coap_dtls_info_callback() function within OISM libcoap version 4.3.5 . This issue is triggered during a DTLS handshake when SSL_get_app_data() returns NULL , potentially allowing remote attackers to cause a denial of service (DoS) . Affected ...

CVE-2025-65501

Null pointer dereference in coapdtlsinfocallback in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a DTLS handshake where SSLgetappdata returns NULL...