CVE-2025-65497 - OISM libcoap NULL Pointer Dereference Denial of Service Vulnerability

CVE ID : CVE-2025-65497 Published : Nov. 24, 2025, 2:15 p.m. | 1 hour, 55 minutes ago Description : NULL pointer dereference in coap_dtls_generate_cookie() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSL_get_SSL_CTX() to return NULL. Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...