{"id":4709,"date":"2026-09-04T18:46:43","date_gmt":"2026-09-04T10:46:43","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-71263"},"modified":"2026-09-04T18:46:43","modified_gmt":"2026-09-04T10:46:43","slug":"cve-2026-71263","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-71263","title":{"rendered":"CVE-2026-71263 [CRITICAL] &#8211; The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool (dem"},"content":{"rendered":"<p>The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool (demo\/LINUXTCP\/port\/porttcp.c). The check uses a strict greater-than comparison instead of greater-than-or-equal against the 263-byte MB_TCP_BUF_SIZE limit.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool (demo\/LINUXTCP\/port\/porttcp.c). The check uses a strict greater-than comparison instead of greater-than-or-equal a<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-4709","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/4709","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=4709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}