RHSA-2026:30843: Important: perl-IO-Compress security update

Published Jun 29, 2026
·
Updated

Important: perl-IO-Compress security update

Other sources

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.

Red Hat

Affected Software

4 affected components
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)

Event History

Jun 29, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·01:05 AM
Data Sourced
via Red Hat·01:05 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:30843?

The severity of RHSA-2026:30843 is considered high with a rating of 7.

2

How do I fix RHSA-2026:30843?

To fix RHSA-2026:30843, you should update the perl-IO-Compress package to the latest version available in your Red Hat repository.

3

What vulnerabilities does RHSA-2026:30843 address?

RHSA-2026:30843 addresses vulnerabilities related to the handling of compressed data in the perl-IO-Compress library.

4

Which systems are affected by RHSA-2026:30843?

RHSA-2026:30843 affects various Red Hat Enterprise Linux Server versions including those supporting IBM Power and z Systems.

5

What is the title of the advisory RHSA-2026:30843?

The title of the advisory RHSA-2026:30843 is 'Important: perl-IO-Compress security update'.

Contact

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