CVE-2026-26452

EUVD-2026-67095
ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 lcontains a vulnerability in the option parsing logic that causes a segmentation fault when processing COAP messages containing invalid option numbers.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 40.2%
Common Weakness Enumeration
References
https://github.com/ipflavors/ccoap
https://github.com/songxpu/bug_report/blob/master/CoAP/ccoap/VULNERABILITY_REPORT4.md
https://github.com/songxpu/bug_report/blob/master/CoAP/ccoap/VULNERABILITY_REPORT4.md