Red Hat Product Errata RHSA-2026:15969 - Security Advisory Issued: 2026-05-11 Updated: 2026-05-11 RHSA-2026:15969 - 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 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): 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 10 x86_64 Red Hat Enterprise Linux for IBM z Systems 10 s390x Red Hat Enterprise Linux for Power, little endian 10 ppc64le Red Hat Enterprise Linux for ARM 64 10 aarch64 Red Hat CodeReady Linux Builder for x86_64 10 x86_64 Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le Red Hat CodeReady Linux Builder for ARM 64 10 aarch64 Red Hat CodeReady Linux Builder for IBM z Systems 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 10 SRPM glib2-2.80.4-10.el10_1.13.src.rpm SHA-256: 223c550b03968a2aaeafaf4e520e8ba16a0ef88c957b78b02d7a06743b730e64 x86_64 glib2-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: 837dd43c80f11ee2c6ec97104939b71591271a242428967bc03f11091cf9a576 glib2-debuginfo-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: 3be179a9fcc51e4421475c77f6b7793628cfa536cd27882faa6f0dc5ed53cfad glib2-debuginfo-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: 3be179a9fcc51e4421475c77f6b7793628cfa536cd27882faa6f0dc5ed53cfad glib2-debugsource-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: 4a1715bbc1e4e50470d056772868e35a079f00c333547a2fba1878b1925109a2 glib2-debugsource-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: 4a1715bbc1e4e50470d056772868e35a079f00c333547a2fba1878b1925109a2 glib2-devel-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: 28fe104fa629b4a47ad4087c46ebac049526ffb37814413722c8385eb217fb8a glib2-devel-debuginfo-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: 781d9066c4d9f066da301daaa39002953e93502069a3589314cd2d3f0cc861c8 glib2-devel-debuginfo-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: 781d9066c4d9f066da301daaa39002953e93502069a3589314cd2d3f0cc861c8 glib2-tests-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: 398a3a09d282952fe816f1f2f56f1d57a10174f20769836b6c25c77faf4fd121 glib2-tests-debuginfo-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: ac9b47de6675662c361ae64a6ee5fad22b7d9aa8193dfbf8b89ff255a6d9deb1 glib2-tests-debuginfo-2.80.4-10.el10_1.13.x86_64.rpm SHA-256: ac9b47de6675662c361ae64a6ee5fad22b7d9aa8193dfbf8b89ff255a6d9deb1 Red Hat Enterprise Linux for IBM z Systems 10 SRPM glib2-2.80.4-10.el10_1.13.src.rpm SHA-256: 223c550b03968a2aaeafaf4e520e8ba16a0ef88c957b78b02d7a06743b730e64 s390x glib2-2.80.4-10.el10_1.13.s390x.rpm SHA-256: 2448047d83336c96ca5666494d527d70d908f0e40687e9bce4afb43d45855282 glib2-debuginfo-2.80.4-10.el10_1.13.s390x.rpm SHA-256: f7727ace072f94e480b9147b2bd45fb4a2ee53809eaae72840aa02b2c88dcd30 glib2-debuginfo-2.80.4-10.el10_1.13.s390x.rpm SHA-256: f7727ace072f94e480b9147b2bd45fb4a2ee53809eaae72840aa02b2c88dcd30 glib2-debugsource-2.80.4-10.el10_1.13.s390x.rpm SHA-256: ecbf9f58a96e1d763d7c244f2febc1e5789fa1e7261dbb25815a147c117f3209 glib2-debugsource-2.80.4-10.el10_1.13.s390x.rpm SHA-256: ecbf9f58a96e1d763d7c244f2febc1e5789fa1e7261dbb25815a147c117f3209 glib2-devel-2.80.4-10.el10_1.13.s390x.rpm SHA-256: 956773a448259a2e0546120ec339a09139ff759e97119e8e9d287d005a2c50b2 glib2-devel-debuginfo-2.80.4-10.el10_1.13.s390x.rpm SHA-256: 0a88aeef0346e1bed232430e0710c064b1009bff07fe63e34e3fb5dfbc4ff5b3 glib2-devel-debuginfo-2.80.4-10.el10_1.13.s390x.rpm SHA-256: 0a88aeef0346e1bed232430e0710c064b1009bff07fe63e34e3fb5dfbc4ff5b3 glib2-tests-2.80.4-10.el10_1.13.s390x.rpm SHA-256: d6def049d96f971c07c9b198f3ec69171f59873804421b5a350129d4ad94ccee glib2-tests-debuginfo-2.80.4-10.el10_1.13.s390x.rpm SHA-256: 69d224317c84e8e3fe8f542b4f59818d43b356b9e12fdc8cca1db0ee695cd511 glib2-tests-debuginfo-2.80.4-10.el10_1.13.s390x.rpm SHA-256: 69d224317c84e8e3fe8f542b4f59818d43b356b9e12fdc8cca1db0ee695cd511 Red Hat Enterprise Linux for Power, little endian 10 SRPM glib2-2.80.4-10.el10_1.13.src.rpm SHA-256: 223c550b03968a2aaeafaf4e520e8ba16a0ef88c957b78b02d7a06743b730e64 ppc64le glib2-2.80.4-10.el10_1.13.ppc64le.rpm SHA-256: 2b614a8ccc13ba842f899c0e30abeb8921e5e737588483037bc00bd0a4acba33 glib2-debuginfo-2.80.4-10.el10_1.13.ppc64le.rpm SHA-256: fd824c91e93e6f1313f450f1e04b208e1e9da2eafe9dc5d5554a25eceb12ea57 glib2-debuginfo-2.80.4-10.el10_1.13.ppc64le.rpm SHA-256: fd824c91e93e6f1313f450f1e04b208e1e9da2eafe9dc5d5554a25eceb12ea57 glib2-debugsource-2.80.4-10.el10_1.13.ppc64le.rpm SHA-256: efc8e6253ab74a6a42f39ca78645d813a53545d3a75de96b3d571dedbf7e4a7b glib2-debugsource-2.80.4-10.el10_1.13.ppc64le.rpm SHA-256: efc8e6253ab74a6a42f39ca78645d813a53545d3a75de96b3d571dedbf7e4a7b glib2-devel-2.80.4-10.el10_1.13.ppc64le.rpm SHA-256: 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