{"id":12156,"date":"2026-09-04T18:54:09","date_gmt":"2026-09-04T10:54:09","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-5680"},"modified":"2026-09-04T18:54:09","modified_gmt":"2026-09-04T10:54:09","slug":"cve-2026-5680","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-5680","title":{"rendered":"CVE-2026-5680 [HIGH] &#8211; A flaw was found in Undertow. A remote attacker could exploit this vulnerability by sendin"},"content":{"rendered":"<p>A flaw was found in Undertow. A remote attacker could exploit this vulnerability by sending specially crafted WebSocket messages with permessage-deflate negotiated. This could lead to excessive memory consumption due to the PerMessageDeflateFunction.largerBuffer() method using exponential doubling, resulting in a Denial of Service (DoS) for the affected application.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A flaw was found in Undertow. A remote attacker could exploit this vulnerability by sending specially crafted WebSocket messages with permessage-deflate negotiated. This could lead to excessive memory<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-12156","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/12156","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=12156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}