{"id":41726,"date":"2026-10-20T04:32:31","date_gmt":"2026-10-19T20:32:31","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-110688"},"modified":"2026-10-20T04:32:31","modified_gmt":"2026-10-19T20:32:31","slug":"cve-2026-110688","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-110688","title":{"rendered":"CVE-2026-110688 &#8211; Cpanel::JSON::XS versions from 4.51 before 4.80 for Perl allow quadratic CPU use by revali"},"content":{"rendered":"<p>Cpanel::JSON::XS versions from 4.51 before 4.80 for Perl allow quadratic CPU use by revalidating the remaining buffer per value in incr_parse.<\/p>\n<p>At the first non-ASCII byte in a string, the decoder validates UTF-8 from there to the end of its input. incr_parse decodes each buffered value with a fresh decoder, so every value revalidates the rest of the buffer, and doubling the input quadruples the work.<\/p>\n<p>A peer that sends about a megabyte of ordinary non-ASCII JSON in one read ties up the process for seconds of CPU time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cpanel::JSON::XS versions from 4.51 before 4.80 for Perl allow quadratic CPU use by revalidating the remaining buffer per value in incr_parse.<\/p>\n<p>At the first non-ASCII byte in a string, the decoder val<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41726","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41726","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=41726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}