{"id":78846,"date":"2026-05-26T03:48:43","date_gmt":"2026-05-26T00:18:43","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-9538-archivetar-versions-before-3-10-for-perl-allow-memory-exhaustion-via-attacker-controlled-entry-size-field-in-tar-header\/"},"modified":"2026-05-26T03:48:43","modified_gmt":"2026-05-26T00:18:43","slug":"cve-2026-9538-archivetar-versions-before-3-10-for-perl-allow-memory-exhaustion-via-attacker-controlled-entry-size-field-in-tar-header","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-9538-archivetar-versions-before-3-10-for-perl-allow-memory-exhaustion-via-attacker-controlled-entry-size-field-in-tar-header\/","title":{"rendered":"CVE-2026-9538 &#8211; Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header"},"content":{"rendered":"<p>CVE ID :CVE-2026-9538<\/p>\n<p>  Published : May 26, 2026, 12:18 a.m. | 1\u00a0hour, 39\u00a0minutes ago<\/p>\n<p>  Description :Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header.<\/p>\n<p>_read_tar() reads each entry&#8217;s payload with $handle-&gt;read($$data, $block), where $block is derived from the entry&#8217;s 12-byte size field in the tar header with no upper bound on that value.<\/p>\n<p>A crafted header declaring a multi-gigabyte size causes Perl to allocate a scalar of that size.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-9538 Published : May 26, 2026, 12:18 a.m. | 1\u00a0hour, 39\u00a0minutes ago Description :Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header. _read_tar() reads each entry&#8217;s payload with $handle-&gt;read($$data, $block), where $block is derived from the entry&#8217;s 12-byte size field in the tar header &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-78846","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78846","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=78846"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78846\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=78846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=78846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=78846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}