{"id":13255,"date":"2026-09-04T18:59:59","date_gmt":"2026-09-04T10:59:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-49866"},"modified":"2026-09-04T18:59:59","modified_gmt":"2026-09-04T10:59:59","slug":"cve-2026-49866","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-49866","title":{"rendered":"CVE-2026-49866 [HIGH] &#8211; libp2p is a JavaScript Implementation of libp2p networking stack. Prior to 16.0.0, @libp2p"},"content":{"rendered":"<p>libp2p is a JavaScript Implementation of libp2p networking stack. Prior to 16.0.0, @libp2p\/gossipsub defaultDecodeRpcLimits set maxIhaveMessageIDs and maxIwantMessageIDs to Infinity, allowing oversized IHAVE and IWANT control message arrays in message\/decodeRpc.ts and gossipsub.ts to synchronously iterate roughly 180,000 message IDs per 4 MB frame and block the Node.js event loop. This issue is fixed in version 16.0.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>libp2p is a JavaScript Implementation of libp2p networking stack. Prior to 16.0.0, @libp2p\/gossipsub defaultDecodeRpcLimits set maxIhaveMessageIDs and maxIwantMessageIDs to Infinity, allowing oversize<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13255","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13255","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=13255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}