Red Hat Product Errata RHSA-2026:15953 - Security Advisory Issued: 2026-05-11 Updated: 2026-05-11 RHSA-2026:15953 - 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 8. 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): glib: GLib: Buffer underflow in GVariant parser leads to heap corruption (CVE-2025-14087) 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 Red Hat Enterprise Linux for x86_64 8 x86_64 Red Hat Enterprise Linux for IBM z Systems 8 s390x Red Hat Enterprise Linux for Power, little endian 8 ppc64le Red Hat Enterprise Linux for ARM 64 8 aarch64 Red Hat CodeReady Linux Builder for x86_64 8 x86_64 Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le Red Hat CodeReady Linux Builder for ARM 64 8 aarch64 Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x Fixes BZ - 2419093 - CVE-2025-14087 glib: GLib: Buffer underflow in GVariant parser leads to heap corruption BZ - 2421339 - CVE-2025-14512 glib: Integer Overflow in GLib GIO Attribute Escaping Causes Heap Buffer Overflow CVEs CVE-2025-14087 CVE-2025-14512 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 8 SRPM glib2-2.56.4-169.el8_10.src.rpm SHA-256: 955162943b21dc1e89f377e5a3d59aa2f1045c469de95c3c8f6ab330914fde80 x86_64 glib2-2.56.4-169.el8_10.i686.rpm SHA-256: 81541929788bf85101faecb7948f4b762698ab913115d6135fb05381487edfea glib2-2.56.4-169.el8_10.x86_64.rpm SHA-256: 64985a7e2734c387aee5ba1cc991de0ac98c97307eda41489d2b92b60f2beac6 glib2-debuginfo-2.56.4-169.el8_10.i686.rpm SHA-256: 4d12d567fdae4af2fe9e0fc4b3205cfbbae620fd0cc4d655c14eb7945b9df380 glib2-debuginfo-2.56.4-169.el8_10.x86_64.rpm SHA-256: 1e0b7bdf460e2d929144ea3616f61ed95bb6e7da3033959f5e5d3f078029e9d5 glib2-debugsource-2.56.4-169.el8_10.i686.rpm SHA-256: 57341bf3109455cfb9e466f5be045a8699081b86192693b6789628cc4e0e6f52 glib2-debugsource-2.56.4-169.el8_10.x86_64.rpm SHA-256: 9ffcd54626aa68519fccf07cb96a9ebef24a7f2c4270aea2f2af98894524ec47 glib2-devel-2.56.4-169.el8_10.i686.rpm SHA-256: 978b86b2ebe3c7675a09ae0f6a94ff33fa51830e5ac426e4f28aedb8dd970a67 glib2-devel-2.56.4-169.el8_10.x86_64.rpm SHA-256: e4b894be37b6de9dcfbe750b1870b088924850d76ed98942d7c05f29b923ca12 glib2-devel-debuginfo-2.56.4-169.el8_10.i686.rpm SHA-256: 186fb121370ec2e18e873cbccbcb9d2c6876ff739e0e07753ffe21d8d62cf49c glib2-devel-debuginfo-2.56.4-169.el8_10.x86_64.rpm SHA-256: 09912ee8c564afd0a689cd07f741417744012e34aa8d5d0e779dbbcca272a696 glib2-fam-2.56.4-169.el8_10.x86_64.rpm SHA-256: aa7972fe6c9691bc42f8c73fea6cdd1a8e0a438fb5a84dfa60e8c635d0a516ef glib2-fam-debuginfo-2.56.4-169.el8_10.i686.rpm SHA-256: fb694a2aebc59380a5764a7a00cdb7380c0f28ce3bd91c01595680b5bcef8bd9 glib2-fam-debuginfo-2.56.4-169.el8_10.x86_64.rpm SHA-256: fe32dd7711d088a8caf38629951876d2850091c6586949dbb223bde5c26ee303 glib2-tests-2.56.4-169.el8_10.x86_64.rpm SHA-256: 21a0f333204b39ca3732ff411f4a70d5439827b03abadd274e4944e2605b0872 glib2-tests-debuginfo-2.56.4-169.el8_10.i686.rpm SHA-256: 6b1d966d029e170e4e9e068823df45510dd81f5e48585f950e51ecc0440aaa72 glib2-tests-debuginfo-2.56.4-169.el8_10.x86_64.rpm SHA-256: eef4dced84a2e22ae3867c52b86f78aefe9d9cb6e7e7660753e864c6cd4d0016 Red Hat Enterprise Linux for IBM z Systems 8 SRPM glib2-2.56.4-169.el8_10.src.rpm SHA-256: 955162943b21dc1e89f377e5a3d59aa2f1045c469de95c3c8f6ab330914fde80 s390x glib2-2.56.4-169.el8_10.s390x.rpm SHA-256: ef390faca7297cfd83e9d31bacb7a17f757e3fdc4bb5130ea24b856ca99494b3 glib2-debuginfo-2.56.4-169.el8_10.s390x.rpm SHA-256: b4e709c77467b191591565db6c1fd9599de5797c6440ad0b844c90e4c4c5a3c7 glib2-debugsource-2.56.4-169.el8_10.s390x.rpm SHA-256: 0fac0a9cd3b67b178a343d94ef9fc7d0d89c192f94b1d54031476e1aee47226a glib2-devel-2.56.4-169.el8_10.s390x.rpm SHA-256: f2de86513fe7382596dd28b2c2f6810e3830f647ae97b03e1110a1d66d3cff1a glib2-devel-debuginfo-2.56.4-169.el8_10.s390x.rpm SHA-256: 6e36658e6b60337206f3fa0d6dcba1d9b8db898b6985a00f8282fd39711188d6 glib2-fam-2.56.4-169.el8_10.s390x.rpm SHA-256: 64af8210e9d03b60631159e009b459143823c959f0e550b473871e4fe65ee69b glib2-fam-debuginfo-2.56.4-169.el8_10.s390x.rpm SHA-256: eb5a611984e7a144fc3384078eb45d0f371efdcb89cc943a5c8dd7f1a67a3cc7 glib2-tests-2.56.4-169.el8_10.s390x.rpm SHA-256: 952f8a24a8fa481bf4d3ffa671bf26b11af5977cde21fb0c1b46b8570c977a6b glib2-tests-debuginfo-2.56.4-169.el8_10.s390x.rpm SHA-256: 7adf894a6221d1c35871d5bbbe0e41891240685cdd68735d13a299efd7f1c953 Red Hat Enterprise Linux for Power, little endian 8 SRPM glib2-2.56.4-169.el8_10.src.rpm SHA-256: 955162943b21dc1e89f377e5a3d59aa2f1045c469de95c3c8f6ab330914fde80 ppc64le glib2-2.56.4-169.el8_10.ppc64le.rpm SHA-256: dd70daeb9984468501a809c52dd1e741e3dc2988669cae75cda7b86856526b76 glib2-debuginfo-2.56.4-169.el8_10.ppc64le.rpm SHA-256: b6aa8259dcf82dfdd892c32a36379b66992ec705603c56bdd8428db205591332 glib2-debugsource-2.56.4-169.el8_10.ppc64le.rpm SHA-256: bdfc1552feac75bffdfe34fd00a0832b339c0377741376b8a67d36464e0a0e8b glib2-devel-2.56.4-169.el8_10.ppc64le.rpm SHA-256: 7e418a4ab438219dc3b25b44c17740a6455aff2e523d2dd4183fc17c53df39b1 glib2-devel-debuginfo-2.56.4-169.el8_10.ppc64le.rpm SHA-256: 6e873fe9f39ea8a49572f22e0486abbc112c6453844717c038aeb3466da12b3b glib2-fam-2.56.4-169.el8_10.ppc64le.rpm SHA-256: 8b3b8195ba4ed3d2a37da0a2c10497375aac12f3fab6d3df0d23e3e33e10b5e0 glib2-fam-debuginfo-2.56.4-169.el8_10.ppc64le.rpm SHA-256: ff75f8009c4ceea7dd67ec73bd502d9f39ace8d05f007be46e884aacb25edc37 glib2-tests-2.56.4-169.el8_10.ppc64le.rpm SHA-256: 112406f46b783bd79bb13c8056bb06ad9366d89dc24cdb6d89fdeef6c4ec84fc glib2-tests-debuginfo-2.56.4-169.el8_10.ppc64le.rpm SHA-256: d44535ebde8085c99d95bfdff4d3806579aedfa37fe3708e77d797b253a24c39 Red Hat Enterprise Linux for ARM 64 8 SRPM glib2-2.56.4-169.el8_10.src.rpm SHA-256: 955162943b21dc1e89f377e5a3d59aa2f1045c469de95c3c8f6ab330914fde80 aarch64 glib2-2.56.4-169.el8_10.aarch64.rpm SHA-256: 3958f68632367e81f592703d07acd4d6b3a2d81c0ba176a4b8a0bcf56bafa58a glib2-debuginfo-2.56.4-169.el8_10.aarch64.rpm SHA-256: 82a3a650944483404bd81455506cbc5214a4ffe3aef208945dc6b5cfa8aeb150 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