{"id":82301,"date":"2026-07-20T22:47:30","date_gmt":"2026-07-20T19:17:30","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-64194-netdns-versions-through-1-55-for-perl-allow-denial-of-service-via-deep-dns-compression-pointer-chains\/"},"modified":"2026-07-20T22:47:30","modified_gmt":"2026-07-20T19:17:30","slug":"cve-2026-64194-netdns-versions-through-1-55-for-perl-allow-denial-of-service-via-deep-dns-compression-pointer-chains","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-64194-netdns-versions-through-1-55-for-perl-allow-denial-of-service-via-deep-dns-compression-pointer-chains\/","title":{"rendered":"CVE-2026-64194 &#8211; Net::DNS versions through 1.55 for Perl allow Denial of Service via deep DNS compression pointer chains"},"content":{"rendered":"<p>CVE ID :CVE-2026-64194<\/p>\n<p>  Published : July 20, 2026, 7:17 p.m. | 27\u00a0minutes ago<\/p>\n<p>  Description :Net::DNS versions through 1.55 for Perl allow Denial of Service via deep DNS compression pointer chains.<\/p>\n<p>Net::DNS::DomainName::decode follows RFC 1035 compression pointers by recursing into itself with no depth limit. It is possible to construct a name which saturates the call stack (at least with larger TCP responses), leading to a potential Denial of Service.<\/p>\n<p>The guard `$link new($wire)` i.e. any point where the library decodes a DNS message from the network.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-64194 Published : July 20, 2026, 7:17 p.m. | 27\u00a0minutes ago Description :Net::DNS versions through 1.55 for Perl allow Denial of Service via deep DNS compression pointer chains. Net::DNS::DomainName::decode follows RFC 1035 compression pointers by recursing into itself with no depth limit. It is possible to construct a name which saturates the call &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-82301","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=82301"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/82301\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=82301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=82301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=82301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}