ESB-2026.5430

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.5430 glib2 security update 20 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: glib2 Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2025-14087 CVE-2025-14512 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:19148 Comment: CVSS (Max): 6.5 CVE-2025-14512 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H EPSS (Max): 0.1% (25th) CVE-2025-14087 2026-05-19 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:19148 - Security Advisory Issued: 2026-05-19 Updated: 2026-05-19 Synopsis Glib2 security update Type/Severity Security Advisory: Moderate Topic An update for glib2 is now available for Red Hat Enterprise Linux 10. 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): o glib: GLib: Buffer underflow in GVariant parser leads to heap corruption (CVE-2025-14087) o glib: Integer Overflow in GLib GIO Attribute Escaping Causes Heap Buffer Overflow (CVE-2025-14512) 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 o Red Hat Enterprise Linux for x86_64 10 x86_64 o Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64 o Red Hat Enterprise Linux for IBM z Systems 10 s390x o Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x o Red Hat Enterprise Linux for Power, little endian 10 ppc64le o Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le o Red Hat Enterprise Linux for ARM 64 10 aarch64 o Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64 o Red Hat CodeReady Linux Builder for x86_64 10 x86_64 o Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le o Red Hat CodeReady Linux Builder for ARM 64 10 aarch64 o Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x o Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.2 x86_64 o Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.2 ppc64le o Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.2 s390x o Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.2 aarch64 o Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64 o Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x o Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le o Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64 o Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64 o Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64 o Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le o Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x Fixes o BZ - 2419093 - CVE-2025-14087 glib: GLib: Buffer underflow in GVariant parser leads to heap corruption o BZ - 2421339 - CVE-2025-14512 glib: Integer Overflow in GLib GIO Attribute Escaping Causes Heap Buffer Overflow CVEs o CVE-2025-14087 o CVE-2025-14512 References o https://access.redhat.com/security/updates/classification/#moderate - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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