Vulnerability Details CVE-2025-65493
NULL pointer dereference in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS/TLS connection that triggers BIO_get_data() to return NULL.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.7%
CVSS Severity
CVSS v3 Score 7.5