Red Hat just published three new errata addressing vulnerabilities in the perl-IO-Compress and libxslt packages across multiple RHEL versions. Administrators running Red Hat Enterprise Linux 8 or the RHEL 7 Extended Lifecycle Support channel must apply the perl-IO-Compress patches, which carry an Important security impact rating. Systems on the RHEL 8.6 Advanced Mission Critical Update Support or Extended Update Support Long-Life Add-On tracks should install the libxslt update, which carries a Moderate impact rating.

RHSA-2026:30858: Important: perl-IO-Compress security update
RHSA-2026:30847: Moderate: libxslt security update
RHSA-2026:30843: Important: perl-IO-Compress security update

RHSA-2026:30858: Important: perl-IO-Compress security update

An update for perl-IO-Compress is now available for Red Hat Enterprise Linux 8.

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.

RHSA-2026:30858: Important: perl-IO-Compress security update

RHSA-2026:30847: Moderate: libxslt security update

An update for libxslt is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

RHSA-2026:30847: Moderate: libxslt security update

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

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.

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