{"id":12128,"date":"2026-09-04T18:54:07","date_gmt":"2026-09-04T10:54:07","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-26453"},"modified":"2026-09-04T18:54:07","modified_gmt":"2026-09-04T10:54:07","slug":"cve-2026-26453","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-26453","title":{"rendered":"CVE-2026-26453 [HIGH] &#8211; ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 contains a null pointer dereference vulnera"},"content":{"rendered":"<p>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 &#8220;separate&#8221;, it directly calls strncmp() on option_list[i].data without checking if the pointer is NULL. This causes a segmentation fault when the option&#8217;s data field is NULL.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ccoap 77f55c4b466e99327c24ace8a2913d3ba7e2ccd5 contains a null pointer dereference vulnerability in the coap_server_handle_session() function when processing COAP messages containing URI_PATH options <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-12128","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/12128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}