{"id":34884,"date":"2026-10-09T08:32:32","date_gmt":"2026-10-09T00:32:32","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-78663"},"modified":"2026-10-09T08:32:32","modified_gmt":"2026-10-09T00:32:32","slug":"cve-2026-78663","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-78663","title":{"rendered":"CVE-2026-78663 &#8211; The HTTP\/2 server can refund connection-level flow control twice for the same data: Once w"},"content":{"rendered":"<p>The HTTP\/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. A malicious client can exploit this to bypass the configured connection-level flow control limit (MaxReceiveBufferPerConnection). Total buffered data is still limited by the concurrent stream limit and stream-level flow control.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The HTTP\/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-34884","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/34884","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=34884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}