CVE-2025-59391

A flaw was found in libcoap. This vulnerability allows information disclosure or denial of service via an out-of-bounds read when parsing certain OSCORE Object Security for Constrained RESTful Environments configuration values...

CVE-2025-65501

A flaw was found in libcoap. A remote attacker can cause a denial of service via a NULL pointer dereference due to improper handling of the return values of OpenSSL functions during DTLS Datagram Transport Layer Security operations...

CVE-2025-65500

A flaw was found in libcoap. A remote attacker can cause a denial of service via a NULL pointer dereference due to improper handling of the return values of OpenSSL functions during DTLS Datagram Transport Layer Security operations...

UBUNTU-CVE-2023-51847

An issue in obgm and Libcoap v.a3ed466 allows a remote attacker to cause a denial of service via thecoapcontextt function in the src/coapthreadsafe.c:297:3 component...