{"id":13795,"date":"2026-09-04T19:00:59","date_gmt":"2026-09-04T11:00:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-58101"},"modified":"2026-09-04T19:00:59","modified_gmt":"2026-09-04T11:00:59","slug":"cve-2026-58101","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-58101","title":{"rendered":"CVE-2026-58101 [HIGH] &#8211; Crypt::OpenSSL::X509 versions before 2.1.3 for Perl allow denial of service via NULL point"},"content":{"rendered":"<p>Crypt::OpenSSL::X509 versions before 2.1.3 for Perl allow denial of service via NULL pointer dereference.<\/p>\n<p>X509V3_EXT_d2i(ext) returns NULL when an extension&#8217;s DER value fails to parse. basicC, ia5string, and auth_att dereference its result without a NULL check. keyid_data also dereferences akid-&gt;keyid, which is NULL for an empty AKI SEQUENCE (DER 30 00) even when the parse succeeds.<\/p>\n<p>A caller invoking an affected helper on an extension from an untrusted certificate triggers a SIGSEGV that crashes the Perl process.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Crypt::OpenSSL::X509 versions before 2.1.3 for Perl allow denial of service via NULL pointer dereference.<\/p>\n<p>X509V3_EXT_d2i(ext) returns NULL when an extension&#8217;s DER value fails to parse. basicC, ia5str<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13795","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13795","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=13795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}