CVE-2026-26457

Description

ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 contains a null pointer dereference vulnerability in the coap_dump_msg() function when processing COAP messages containing options with zero length.

References

• https://github.com/ipflavors/ccoap
• https://github.com/songxpu/bug_report/blob/master/CoAP/ccoap/VULNERABILITY_REPORT2.md