{"id":32202,"date":"2026-10-02T20:31:31","date_gmt":"2026-10-02T12:31:31","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-104421"},"modified":"2026-10-02T20:31:31","modified_gmt":"2026-10-02T12:31:31","slug":"cve-2026-104421","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-104421","title":{"rendered":"CVE-2026-104421 [MEDIUM] &#8211; Zebra before 6.2.1 contains an incomplete cleanup vulnerability that allows unauthenticate"},"content":{"rendered":"<p>Zebra before 6.2.1 contains an incomplete cleanup vulnerability that allows unauthenticated peers to block downloading of valid blocks by leaving rejected hashes in SentHashes. Attackers can send a contextually invalid block sharing an honest block&#8217;s header hash, causing Request::KnownBlock to skip the honest block and keep nodes behind the tip.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zebra before 6.2.1 contains an incomplete cleanup vulnerability that allows unauthenticated peers to block downloading of valid blocks by leaving rejected hashes in SentHashes. Attackers can send a co<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-32202","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/32202","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=32202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=32202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=32202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}