Red Hat Product Errata RHSA-2026:30843 - Security Advisory Issued: 2026-06-29 Updated: 2026-06-29 RHSA-2026:30843 - Security Advisory Overview Updated Packages Synopsis Important: perl-IO-Compress security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for perl-IO-Compress is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64 Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64 Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le Fixes BZ - 2481767 - CVE-2026-48962 perl-IO-Compress: perl-IO-Compress: Arbitrary code execution via attacker-controlled output glob CVEs CVE-2026-48962 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 SRPM perl-IO-Compress-2.061-2.el7_9.1.src.rpm SHA-256: 5d41fbd6f85e6eb7fb0c1d5d598f7882c1a22486aeac687fe236923eda7abed5 x86_64 perl-IO-Compress-2.061-2.el7_9.1.noarch.rpm SHA-256: 3790f6449169bbc27394966deba6ab74d145f3ac7d6eb2b8eed552cfec182854 Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 SRPM perl-IO-Compress-2.061-2.el7_9.1.src.rpm SHA-256: 5d41fbd6f85e6eb7fb0c1d5d598f7882c1a22486aeac687fe236923eda7abed5 s390x perl-IO-Compress-2.061-2.el7_9.1.noarch.rpm SHA-256: 3790f6449169bbc27394966deba6ab74d145f3ac7d6eb2b8eed552cfec182854 Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 SRPM perl-IO-Compress-2.061-2.el7_9.1.src.rpm SHA-256: 5d41fbd6f85e6eb7fb0c1d5d598f7882c1a22486aeac687fe236923eda7abed5 ppc64 perl-IO-Compress-2.061-2.el7_9.1.noarch.rpm SHA-256: 3790f6449169bbc27394966deba6ab74d145f3ac7d6eb2b8eed552cfec182854 Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 SRPM perl-IO-Compress-2.061-2.el7_9.1.src.rpm SHA-256: 5d41fbd6f85e6eb7fb0c1d5d598f7882c1a22486aeac687fe236923eda7abed5 ppc64le perl-IO-Compress-2.061-2.el7_9.1.noarch.rpm SHA-256: 3790f6449169bbc27394966deba6ab74d145f3ac7d6eb2b8eed552cfec182854 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .