CVE-2026-26452

Unknown

Published: 27/08/2026(UTC)Translated: 27/08/2026(UTC)NVD NIST

Summary

ccoap (commit 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5) contains a vulnerability in the option parsing logic that causes a segmentation fault when processing COAP messages containing invalid option numbers.

Risk Assessment

An attacker can send a COAP message with invalid option numbers, causing a denial of service (DoS).

Recommendation

Update ccoap to a patched version or protect the system against malformed COAP messages.

Original NVD description (English source)

ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 lcontains a vulnerability in the option parsing logic that causes a segmentation fault when processing COAP messages containing invalid option numbers.