Security Advisory

CVE-2026-26453

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-27 00:00:00

Last updated 2026-09-01 19:00:54

Assigner mitre

CVSS score 7.5

State PUBLISHED

Description

ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 contains a null pointer dereference vulnerability in the coap_server_handle_session() function when processing COAP messages containing URI_PATH options with NULL data pointers. When the server searches for a URI_PATH option matching the string "separate", it directly calls strncmp() on option_list[i].data without checking if the pointer is NULL. This causes a segmentation fault when the option's data field is NULL.

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