CVE-2025-65493: NULL Pointer Dereference

NULL pointer dereference in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS/TLS connection that triggers BIOgetdata to return NULL...

CVE-2025-65493

A NULL pointer dereference exists in src/coap_openssl.c within libcoap 4.3.5 , allowing remote attackers to trigger a denial of service (DoS) via a crafted DTLS/TLS connection that causes BIO_get_data() to return NULL. This vulnerability affects various distributions, including Fedora 42 , Fedora...