CVE-2026-26459

Published: Aug 27, 2026Modified: Sep 1, 2026Deferred

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 contains a vulnerability in the option parsing logic that causes a segmentation fault when processing malformed COAP messages with insufficient option data.

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (3)

https://github.com/ipflavors/ccoap

Source: cve@mitre.org

https://github.com/songxpu/bug_report/blob/master/CoAP/ccoap/VULNERABILITY_REPORT1.md

Source: cve@mitre.org

https://github.com/songxpu/bug_report/blob/master/CoAP/ccoap/VULNERABILITY_REPORT1.md

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.