CVE-2023-51847: Libcoap

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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

Affected products

• Libcoap Libcoap

Published 2024-06-06. Last modified 2026-06-17.