{"id":20213,"date":"2026-09-09T20:32:01","date_gmt":"2026-09-09T12:32:01","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-86547"},"modified":"2026-09-09T20:32:01","modified_gmt":"2026-09-09T12:32:01","slug":"cve-2026-86547","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-86547","title":{"rendered":"CVE-2026-86547 [MEDIUM] &#8211; mrubyc through 4.0.0 contains a null pointer dereference vulnerability in the op_enter() h"},"content":{"rendered":"<p>mrubyc through 4.0.0 contains a null pointer dereference vulnerability in the op_enter() handler in src\/vm.c when processing untrusted bytecode. Attackers can craft malicious .mrb bytecode files with OP_ENTER instructions at the top level to crash the embedding application and cause denial of service.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>mrubyc through 4.0.0 contains a null pointer dereference vulnerability in the op_enter() handler in src\/vm.c when processing untrusted bytecode. Attackers can craft malicious .mrb bytecode files with <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-20213","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/20213","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=20213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}