Red Hat Product Errata RHSA-2026:64800 - Security Advisory Issued: 2026-09-08 Updated: 2026-09-08 RHSA-2026:64800 - Security Advisory Overview Updated Packages Synopsis Moderate: glib2 security update Type/Severity Security Advisory: Moderate Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for glib2 is now available for Red Hat Enterprise Linux 9. 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. Description GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. Security Fix(es): xdgmime: heap-based buffer overflow in _xdg_mime_magic_parse_magic_line() in xdgmimemagic.c (CVE-2026-16118) 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 for x86_64 9 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 x86_64 Red Hat Enterprise Linux for IBM z Systems 9 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 s390x Red Hat Enterprise Linux for Power, little endian 9 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8 ppc64le Red Hat Enterprise Linux for ARM 64 9 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8 aarch64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 x86_64 Red Hat CodeReady Linux Builder for x86_64 9 x86_64 Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le Red Hat CodeReady Linux Builder for ARM 64 9 aarch64 Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.8 x86_64 Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.8 ppc64le Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.8 s390x Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.8 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8 s390x Fixes BZ - 2501732 - CVE-2026-16118 xdgmime: heap-based buffer overflow in _xdg_mime_magic_parse_magic_line() in xdgmimemagic.c CVEs CVE-2026-16118 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 9 SRPM glib2-2.68.4-19.el9_8.10.src.rpm SHA-256: 5b1dc6ed983402377632819a2678ac45ceb15c6b16a5e7d407a72eb76e6f0e5e x86_64 glib2-2.68.4-19.el9_8.10.i686.rpm SHA-256: 8c2caf57b8f14c6a36fb4f7290a6506b6e156a754d9e1e18cceb737a620d8e5b glib2-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: d380acf88b697bf7c3e4d779bf2adb5b601417df4cf7fe419cbf3638e394399c glib2-debuginfo-2.68.4-19.el9_8.10.i686.rpm SHA-256: dbde4ad2e0bf7f46b63680652ad41c4b1ec3af8b809cfaed6b04179a3d17c968 glib2-debuginfo-2.68.4-19.el9_8.10.i686.rpm SHA-256: dbde4ad2e0bf7f46b63680652ad41c4b1ec3af8b809cfaed6b04179a3d17c968 glib2-debuginfo-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: c093abc6fd0915adb70999d269327f010a58fbed144fa210bb85d011901a02dd glib2-debuginfo-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: c093abc6fd0915adb70999d269327f010a58fbed144fa210bb85d011901a02dd glib2-debugsource-2.68.4-19.el9_8.10.i686.rpm SHA-256: 09b7db004fd9474152b5898c32277feb8cc981bd8c7e3f132f7f4c1b4a3885f3 glib2-debugsource-2.68.4-19.el9_8.10.i686.rpm SHA-256: 09b7db004fd9474152b5898c32277feb8cc981bd8c7e3f132f7f4c1b4a3885f3 glib2-debugsource-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: 7b16c82c8b364ab6f03932c349f8bf050e55554332ed86d2b24cec06929e23ce glib2-debugsource-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: 7b16c82c8b364ab6f03932c349f8bf050e55554332ed86d2b24cec06929e23ce glib2-devel-2.68.4-19.el9_8.10.i686.rpm SHA-256: a2b3e0509ba841ec79a98c206d25d595223673ba0b319daf755749529f379062 glib2-devel-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: 8a06a5703fd5a3cb40eb688b724e1ed85305649181d0e6929b496d86faeba633 glib2-devel-debuginfo-2.68.4-19.el9_8.10.i686.rpm SHA-256: 7c5b340400e16f0bce8bee14022da90fe8dc992c7daae1ce787da9a0ecf3bd09 glib2-devel-debuginfo-2.68.4-19.el9_8.10.i686.rpm SHA-256: 7c5b340400e16f0bce8bee14022da90fe8dc992c7daae1ce787da9a0ecf3bd09 glib2-devel-debuginfo-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: f654480dece4d4588b2bfcc1f366254e4196185a89f5caceb5cd92964fcdf622 glib2-devel-debuginfo-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: f654480dece4d4588b2bfcc1f366254e4196185a89f5caceb5cd92964fcdf622 glib2-doc-2.68.4-19.el9_8.10.noarch.rpm SHA-256: 31bf2a6ccef28356945489222bef977429c7c38e9a4bc2a5ee9bb2c06c99d222 glib2-tests-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: ddb6d91a40f4985af0a54dc5a2e89e2e945bd2be7c796d8302bec98443ff50aa glib2-tests-debuginfo-2.68.4-19.el9_8.10.i686.rpm SHA-256: 3293fc3cc82032110f1eda7f64839d798de90da41e0886bc8692b59db9860eba glib2-tests-debuginfo-2.68.4-19.el9_8.10.i686.rpm SHA-256: 3293fc3cc82032110f1eda7f64839d798de90da41e0886bc8692b59db9860eba glib2-tests-debuginfo-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: f78d8d60b5c4c950cbe4c9eb6e5a29ba8cb8f1b4a14722f114aa945aa27b2f93 glib2-tests-debuginfo-2.68.4-19.el9_8.10.x86_64.rpm SHA-256: f78d8d60b5c4c950cbe4c9eb6e5a29ba8cb8f1b4a14722f114aa945aa27b2f93 Red Hat Enterprise Linux for x86_64 - 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