{"id":32693,"date":"2026-10-05T16:30:43","date_gmt":"2026-10-05T08:30:43","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-19954"},"modified":"2026-10-05T16:30:43","modified_gmt":"2026-10-05T08:30:43","slug":"cve-2026-19954","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-19954","title":{"rendered":"CVE-2026-19954 &#8211; Net::Whois::Raw versions before 2.99044 for Perl ship a pwhois command-line tool that quer"},"content":{"rendered":"<p>Net::Whois::Raw versions before 2.99044 for Perl ship a pwhois command-line tool that queries WHOIS for the wrong domain for unicode domain names.<\/p>\n<p>pwhois encodes each non-ASCII label directly using Net::IDN::Punycode and prepends xn--. Apart from lowercasing ASCII and Cyrillic letters, it skips the IDNA mapping and normalization steps, so a label with other uppercase letters, or not in NFC, encodes to a different A-label than its IDNA form. For example, a label of U+00C9 followed by &#8220;cole&#8221; encodes to &#8220;xn--cole-pka&#8221; rather than &#8220;xn--cole-9oa&#8221;.<\/p>\n<p>The Net::Whois::Raw library modules are not affected.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Net::Whois::Raw versions before 2.99044 for Perl ship a pwhois command-line tool that queries WHOIS for the wrong domain for unicode domain names.<\/p>\n<p>pwhois encodes each non-ASCII label directly using N<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-32693","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/32693","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=32693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=32693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=32693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}