Red Hat Product Errata RHSA-2026:19567 - Security Advisory Issued: 2026-05-20 Updated: 2026-05-20 RHSA-2026:19567 - 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 10.0 Extended Update Support. 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 - Extended Update Support 10.0 x86_64 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64 Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64 Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64 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 - Extended Update Support 10.0 SRPM glib2-2.80.4-4.el10_0.9.src.rpm SHA-256: 63882ccf53dfd4cb60f2b86e4b6ca77672570f60e070a0226e6d20782890e5f7 x86_64 glib2-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 5411065a66397dac3e8b532c37a9c4d5627e65ade8da9436bebe84a886521c95 glib2-debuginfo-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 2c62f3edf1476aa859192c617dace0b085ccb4b412d383da70b2ce56cb5e3b08 glib2-debuginfo-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 2c62f3edf1476aa859192c617dace0b085ccb4b412d383da70b2ce56cb5e3b08 glib2-debugsource-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 4276cdb611420747f5960c62fb7eaef7d64d75c4df03a22f956ca9e6cc9ae19a glib2-debugsource-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 4276cdb611420747f5960c62fb7eaef7d64d75c4df03a22f956ca9e6cc9ae19a glib2-devel-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 715fb7f3151b0803d46986cd6353f9e3c32cb5314d1783cf41393e4694e25d73 glib2-devel-debuginfo-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 443fe217ed5716deaebc139ebe489866d3162ed635ae3738a4cef7424e8c5f80 glib2-devel-debuginfo-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 443fe217ed5716deaebc139ebe489866d3162ed635ae3738a4cef7424e8c5f80 glib2-tests-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 275d267e411e7df78e6c5127b96bfbb882b731c9232bc280180dd33399d48148 glib2-tests-debuginfo-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 784d06ab66a4584538bf317365b5e2762a4cdb74808e44295e5cbccddb8b2bef glib2-tests-debuginfo-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 784d06ab66a4584538bf317365b5e2762a4cdb74808e44295e5cbccddb8b2bef Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 SRPM glib2-2.80.4-4.el10_0.9.src.rpm SHA-256: 63882ccf53dfd4cb60f2b86e4b6ca77672570f60e070a0226e6d20782890e5f7 s390x glib2-2.80.4-4.el10_0.9.s390x.rpm SHA-256: 3f90766cd861a0bdac94b744f1062351563919b600495453f579c459dadc476b glib2-debuginfo-2.80.4-4.el10_0.9.s390x.rpm SHA-256: e698797abb51b81503500582bb77db4555129fcc7620973703526e51ff82ac8a glib2-debuginfo-2.80.4-4.el10_0.9.s390x.rpm SHA-256: e698797abb51b81503500582bb77db4555129fcc7620973703526e51ff82ac8a glib2-debugsource-2.80.4-4.el10_0.9.s390x.rpm SHA-256: 9c7ed7a456691e62120a65c6e2f2e83c55477fd51e5e930480dccc50593c19c5 glib2-debugsource-2.80.4-4.el10_0.9.s390x.rpm SHA-256: 9c7ed7a456691e62120a65c6e2f2e83c55477fd51e5e930480dccc50593c19c5 glib2-devel-2.80.4-4.el10_0.9.s390x.rpm SHA-256: ea77892fc82d1067156ba882374d85ef1d7b480b3bd6a4b38aa9f8b2bd557d85 glib2-devel-debuginfo-2.80.4-4.el10_0.9.s390x.rpm SHA-256: 3a1ffcef90227e89aa8413a2e072855bff163e68386155cda56e9cc1b4aaa422 glib2-devel-debuginfo-2.80.4-4.el10_0.9.s390x.rpm SHA-256: 3a1ffcef90227e89aa8413a2e072855bff163e68386155cda56e9cc1b4aaa422 glib2-tests-2.80.4-4.el10_0.9.s390x.rpm SHA-256: 9274f8c8a6152ceb5bfd44967c83045c5efb0276646ed77ddd1a0f85adf21a1d glib2-tests-debuginfo-2.80.4-4.el10_0.9.s390x.rpm SHA-256: 719307e15c1e1ec71d510cc87747a26319be46250149aace82b722aaa2039638 glib2-tests-debuginfo-2.80.4-4.el10_0.9.s390x.rpm SHA-256: 719307e15c1e1ec71d510cc87747a26319be46250149aace82b722aaa2039638 Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 SRPM glib2-2.80.4-4.el10_0.9.src.rpm SHA-256: 63882ccf53dfd4cb60f2b86e4b6ca77672570f60e070a0226e6d20782890e5f7 ppc64le glib2-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: 5850d07cd029dbef6ae5a436dededfb40c75c630ab2788421ab7dea32ceba527 glib2-debuginfo-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: b438a3b736948dbac602f5ee335b05f2cafe75d95a44a16ca4533063d55483b6 glib2-debuginfo-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: b438a3b736948dbac602f5ee335b05f2cafe75d95a44a16ca4533063d55483b6 glib2-debugsource-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: c77ea6d19821afe4343b618bff39327da0db7938ca140b5d5f2f9999acc8a9cf glib2-debugsource-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: c77ea6d19821afe4343b618bff39327da0db7938ca140b5d5f2f9999acc8a9cf glib2-devel-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: 0d8e4c78621dd3d7406d35c2686befce395ee92fb6acb010ab08c43e487bab96 glib2-devel-debuginfo-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: 57d2746455b3e1e3fa114dc7fde1ab8a967a35b293c0b66c1d78458a702c844b glib2-devel-debuginfo-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: 57d2746455b3e1e3fa114dc7fde1ab8a967a35b293c0b66c1d78458a702c844b glib2-tests-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: f457c3ccf1596d4321ef0684dc1534b31c847fbfc107cfb0ccd673b9f5d97b3b glib2-tests-debuginfo-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: e28e02e874b3b308b8a98a997922531361ea01bd570d19b88cf9c61aa6acf24b glib2-tests-debuginfo-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: e28e02e874b3b308b8a98a997922531361ea01bd570d19b88cf9c61aa6acf24b Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 SRPM glib2-2.80.4-4.el10_0.9.src.rpm SHA-256: 63882ccf53dfd4cb60f2b86e4b6ca77672570f60e070a0226e6d20782890e5f7 aarch64 glib2-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 0bdc90ee0aff0c1ef90c7d8adf40ad828a09c6f7cc3e7a2dcfc36e98884be1b8 glib2-debuginfo-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 7ae5a0ab90b6c6c8622f83e90f5d00658568c39430a5dd3cdcb7afc889a23844 glib2-debuginfo-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 7ae5a0ab90b6c6c8622f83e90f5d00658568c39430a5dd3cdcb7afc889a23844 glib2-debugsource-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 51b0e5f3598767d0c03af56f4b8667735f14a8e9a24a6de3fa59b73f13efda1f glib2-debugsource-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 51b0e5f3598767d0c03af56f4b8667735f14a8e9a24a6de3fa59b73f13efda1f glib2-devel-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 622d1bb4e6258dee09f87f574b4da6fdb37f8af3d3419a96265693499067fd60 glib2-devel-debuginfo-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 5e8774b2fe9eb51c76f90acbaede8867baf141d241438b63fc81eb9674c61b50 glib2-devel-debuginfo-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 5e8774b2fe9eb51c76f90acbaede8867baf141d241438b63fc81eb9674c61b50 glib2-tests-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 26de8e8c266ff448f2e057e5825fa472722cb447fd02c691a6daf112d906e192 glib2-tests-debuginfo-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 36e176cf015fbc1b3d3f2208277a9d5179aba05d9fb44a8701b0bfd37c058789 glib2-tests-debuginfo-2.80.4-4.el10_0.9.aarch64.rpm SHA-256: 36e176cf015fbc1b3d3f2208277a9d5179aba05d9fb44a8701b0bfd37c058789 Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 SRPM x86_64 glib2-debuginfo-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 2c62f3edf1476aa859192c617dace0b085ccb4b412d383da70b2ce56cb5e3b08 glib2-debugsource-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 4276cdb611420747f5960c62fb7eaef7d64d75c4df03a22f956ca9e6cc9ae19a glib2-devel-debuginfo-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 443fe217ed5716deaebc139ebe489866d3162ed635ae3738a4cef7424e8c5f80 glib2-doc-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 57a88908c85c459cffb7776fbbfad42dcb0db9cfaa271d1e138e0d2c91fc6313 glib2-static-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 263291cb7ef32c5751c8f459e4dd5b7ca973fe509b17af726b3fe51db9055886 glib2-tests-debuginfo-2.80.4-4.el10_0.9.x86_64.rpm SHA-256: 784d06ab66a4584538bf317365b5e2762a4cdb74808e44295e5cbccddb8b2bef Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 SRPM ppc64le glib2-debuginfo-2.80.4-4.el10_0.9.ppc64le.rpm SHA-256: b438a3b736948dbac602f5ee335b