AlmaLinux alert ALSA-2026:30859 (perl-IO-Compress)

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[Announce] [Security Advisory] ALSA-2026:30859: perl-IO-Compress security update (Important)
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Mon, 29 Jun 2026 11:01:46 +0000
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<0100019f130adc6e-8182feff-ca11-45d8-81b0-2cfe7b34aa44-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2026-06-29

Summary:

This distribution provides a Perl interface to allow reading and writing of compressed data created
with the zlib and bzip2 libraries. IO-Compress supports reading and writing of bzip2, RFC 1950, RFC
1951, RFC 1952 (i.e. gzip) and zip files/buffers. The following modules used to be distributed
separately, but are now included with the IO-Compress distribution:  

  * Compress-Zlib
  * IO-Compress-Zlib
  * IO-Compress-Bzip2
  * IO-Compress-Base


Security Fix(es):  

  * perl-IO-Compress: perl-IO-Compress: Arbitrary code execution via attacker-controlled output
glob (CVE-2026-48962)


For more details about the security issue(s), including the impact, a CVSS score, acknowledgments,
and other related information, refer to the CVE page(s) listed in the References section.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/9/ALSA-2026-30859.html

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AlmaLinux Team
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