Vulnerability Description
ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 contains a null pointer dereference vulnerability in the coap_dump_msg() function when processing COAP messages containing options with zero length.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://github.com/ipflavors/ccoap
- https://github.com/songxpu/bug_report/blob/master/CoAP/ccoap/VULNERABILITY_REPOR
- https://github.com/songxpu/bug_report/blob/master/CoAP/ccoap/VULNERABILITY_REPOR
FAQ
What is CVE-2026-26457?
CVE-2026-26457 is a vulnerability with a CVSS score of 7.5 (HIGH). ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 contains a null pointer dereference vulnerability in the coap_dump_msg() function when processing COAP messages containing options with zero length.
How severe is CVE-2026-26457?
CVE-2026-26457 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-26457?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.