{"id":81932,"date":"2026-07-13T20:47:55","date_gmt":"2026-07-13T17:17:55","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-57432-perl-versions-through-5-43-10-have-an-integer-overflow-in-s_measure_struct-leading-to-an-out-of-bounds-heap-read-in-pack-and-unpack\/"},"modified":"2026-07-13T20:47:55","modified_gmt":"2026-07-13T17:17:55","slug":"cve-2026-57432-perl-versions-through-5-43-10-have-an-integer-overflow-in-s_measure_struct-leading-to-an-out-of-bounds-heap-read-in-pack-and-unpack","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-57432-perl-versions-through-5-43-10-have-an-integer-overflow-in-s_measure_struct-leading-to-an-out-of-bounds-heap-read-in-pack-and-unpack\/","title":{"rendered":"CVE-2026-57432 &#8211; Perl versions through 5.43.10 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack"},"content":{"rendered":"<p>CVE ID :CVE-2026-57432<\/p>\n<p>  Published : July 13, 2026, 5:17 p.m. | 12\u00a0minutes ago<\/p>\n<p>  Description :Perl versions through 5.43.10 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack.<\/p>\n<p>S_measure_struct adds each item&#8217;s size times its repeat count to a running total with no overflow check, so a large repeat count in a pack or unpack template wraps the signed SSize_t total negative. The @, X, and x position codes then guard their moves with a signed length comparison that passes when the length is negative, advancing the buffer pointer out of bounds.<\/p>\n<p>A template derived from untrusted input can read heap memory past the buffer and return it to the caller.<\/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-2026-57432 Published : July 13, 2026, 5:17 p.m. | 12\u00a0minutes ago Description :Perl versions through 5.43.10 have an integer overflow in S_measure_struct leading to an out-of-bounds heap read in pack and unpack. S_measure_struct adds each item&#8217;s size times its repeat count to a running total with no overflow check, so a large repeat &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-81932","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81932","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=81932"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81932\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}