Upstream information
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.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having moderate severity.
SUSE Bugzilla entry: 1254189 [NEW] No SUSE Security Announcements cross referenced.SUSE Timeline for this CVE
CVE page created: Mon Nov 24 16:02:33 2025CVE page last modified: Mon Nov 24 19:27:34 2025