{"id":18004,"date":"2026-09-07T20:30:36","date_gmt":"2026-09-07T12:30:36","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-19204"},"modified":"2026-09-07T20:30:36","modified_gmt":"2026-09-07T12:30:36","slug":"cve-2026-19204","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-19204","title":{"rendered":"CVE-2026-19204 &#8211; A client may send a WebSocket frame with an unknown opcode and a very large declared paylo"},"content":{"rendered":"<p>A client may send a WebSocket frame with an unknown opcode and a very large declared payload length, causing Jetty to attempt a large memory allocation and potentially exhaust the JVM heap.<\/p>\n<p>This occurs when auto-fragmentation is enabled, as unknown opcodes bypass the normal maximum frame size handling and payload allocation occurs before the opcode is validated.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A client may send a WebSocket frame with an unknown opcode and a very large declared payload length, causing Jetty to attempt a large memory allocation and potentially exhaust the JVM heap.<\/p>\n<p>This o<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-18004","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/18004","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=18004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}