{"id":17837,"date":"2026-09-06T21:32:51","date_gmt":"2026-09-06T13:32:51","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-86250"},"modified":"2026-09-06T21:32:51","modified_gmt":"2026-09-06T13:32:51","slug":"cve-2026-86250","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-86250","title":{"rendered":"CVE-2026-86250 [HIGH] &#8211; h3 versions before 2.0.1-rc.18 fail to validate the chunk count parsed from user-controlle"},"content":{"rendered":"<p>h3 versions before 2.0.1-rc.18 fail to validate the chunk count parsed from user-controlled cookie values in setChunkedCookie() and deleteChunkedCookie() functions. Attackers can send a crafted cookie header with an extremely large chunk count to trigger an O(n\u00b2) cleanup loop that hangs the server process.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>h3 versions before 2.0.1-rc.18 fail to validate the chunk count parsed from user-controlled cookie values in setChunkedCookie() and deleteChunkedCookie() functions. Attackers can send a crafted cookie<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17837","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17837","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=17837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}