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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: libio-compress-perl: CVE-2026-48962
Message-ID: <177989652580.3135672.17281968916718884728.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0
Date: Wed, 27 May 2026 17:42:05 +0200
Delivered-To: submit@bugs.debian.org

Source: libio-compress-perl
Version: 2.219-2
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for libio-compress-perl.

CVE-2026-48962[0]:
| IO::Compress versions before 2.220 for Perl can execute arbitrary
| code in File::GlobMapper via an attacker-controlled output glob.
| _parseOutputGlob() wraps the caller-supplied output glob string in
| double quotes and stores it in the parser state; _getFiles() then
| runs the stored expression through eval STRING. A literal double
| quote in the output glob closes the dquote wrapper, and the
| characters that follow are evaluated as Perl.  Arbitrary Perl in the
| output glob executes at the calling process's privilege.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-48962
    https://www.cve.org/CVERecord?id=CVE-2026-48962
[1] https://lists.security.metacpan.org/cve-announce/msg/40434385/
[2] https://github.com/pmqs/IO-Compress/commit/f2db247bf90d4cc7ee2710be384946081f3b4610

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
]