{"id":78901,"date":"2026-05-27T07:46:31","date_gmt":"2026-05-27T04:16:31","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-48961-iocompress-versions-from-2-207-before-2-220-for-perl-ship-a-zipdetails-cli-tool-that-crashes-with-undefined-subroutine-on-info-zip-unix-extra-field-with-8-byte-uid-or-gid\/"},"modified":"2026-05-27T07:46:31","modified_gmt":"2026-05-27T04:16:31","slug":"cve-2026-48961-iocompress-versions-from-2-207-before-2-220-for-perl-ship-a-zipdetails-cli-tool-that-crashes-with-undefined-subroutine-on-info-zip-unix-extra-field-with-8-byte-uid-or-gid","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-48961-iocompress-versions-from-2-207-before-2-220-for-perl-ship-a-zipdetails-cli-tool-that-crashes-with-undefined-subroutine-on-info-zip-unix-extra-field-with-8-byte-uid-or-gid\/","title":{"rendered":"CVE-2026-48961 &#8211; IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID"},"content":{"rendered":"<p>CVE ID :CVE-2026-48961<\/p>\n<p>  Published : May 27, 2026, 4:16 a.m. | 15\u00a0minutes ago<\/p>\n<p>  Description :IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID.<\/p>\n<p>When decode_ux() in bin\/zipdetails handles an Info-ZIP Unix Extra Field (tag 0x7875) with UID Size or GID Size set to 8, causing zipdetails to decode an 8-byte UID or GID value, it dispatches through decodeLitteEndian(), which calls a misnamed helper unpackValueQ. The actual function defined in the same file is unpackValue_Q (with underscore); the call raises &#8216;Undefined subroutine &amp;main::unpackValueQ&#8217; and the script exits with status 255.<\/p>\n<p>Library callers of IO::Compress and IO::Uncompress are not affected; the defect is in the bundled CLI tool.<\/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-2026-48961 Published : May 27, 2026, 4:16 a.m. | 15\u00a0minutes ago Description :IO::Compress versions from 2.207 before 2.220 for Perl ship a zipdetails CLI tool that crashes with undefined subroutine on Info-ZIP Unix Extra Field with 8-byte UID or GID. When decode_ux() in bin\/zipdetails handles an Info-ZIP Unix Extra Field (tag 0x7875) with &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-78901","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78901","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=78901"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78901\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=78901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=78901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=78901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}