Red Hat Product Errata RHSA-2026:19523 - Security Advisory Issued: 2026-05-20 Updated: 2026-05-20 RHSA-2026:19523 - 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 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. 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 Extension 8.8 x86_64 Red Hat Enterprise Linux Server - TUS 8.8 x86_64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 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 Extension 8.8 SRPM glib2-2.56.4-165.el8_8.src.rpm SHA-256: d6e34d9adc389d044de2b254a1f4adc43f4f6a0d35442db89b61d1a5ffb47df7 x86_64 glib2-2.56.4-165.el8_8.i686.rpm SHA-256: 7cdbcab1f41bc7af1cb06ccb7bb976f7046cc0f07893ad42d6899d538183c1d2 glib2-2.56.4-165.el8_8.x86_64.rpm SHA-256: 22525ba0aad2adc0af74329bf84d6c0e51fbc3785e600ddf862c1434f26a1b13 glib2-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: 6bc8eb0c74bd46874dbcca8267a2b84541a2e425337903a59437c5b86015b3d2 glib2-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: daf1a13b68e1a67b1663a0ba977b9aaae2f98208c3c123cd02c39cfaf8eab91e glib2-debugsource-2.56.4-165.el8_8.i686.rpm SHA-256: 9bc65af20416e12cab400f6f5be41dc704d422d021ee2194805795c50ef8b507 glib2-debugsource-2.56.4-165.el8_8.x86_64.rpm SHA-256: 79da12758431adb3e42d54cc8f8a1d20f3f8ed85b0054c8c4d0abc6847bf993e glib2-devel-2.56.4-165.el8_8.i686.rpm SHA-256: 67d6786068d0cfba0e17fd9ecac26e7bfff849041fe321eab070d7eb7cb9ad2c glib2-devel-2.56.4-165.el8_8.x86_64.rpm SHA-256: 2b016552f85a2cedd59926d8ed83c3b62cb0c06d7e0ed73c22fa3e1c8cbbbc10 glib2-devel-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: 56c8e5f13af7184f9f58b3d42f4be7d454a442c523a0065ef7228930d0da723f glib2-devel-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: 754913c7d1397b8b5daca2a9b6a1d4a4fbc10c844faa1f52315ddd51fda9e058 glib2-fam-2.56.4-165.el8_8.x86_64.rpm SHA-256: ff49ce8efab0156d5676035b26e1999a805459aa081da4e3abb3effaf389d617 glib2-fam-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: d8aadd3e30737e4b5fc456adadfd8eba2578fe55f1e58119fb4c62707e62b57c glib2-fam-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: f04e3514f4433e0e5f612e11da1725ae1f6d538803bcd6b39ae2f39f45230b78 glib2-tests-2.56.4-165.el8_8.x86_64.rpm SHA-256: 860f267d27364933df786d18db9d12fe73dd9972f5909cfa78c0e697c5cf15f6 glib2-tests-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: 57595fcd927a34e437450dd58c20c40404c8ed547dc227920b264e4b6c3b5097 glib2-tests-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: 9c0d59fc31e7fc2397c22e906e91dfdde5a2c2b8d8014e6d30bd3439dc7b7e46 Red Hat Enterprise Linux Server - TUS 8.8 SRPM glib2-2.56.4-165.el8_8.src.rpm SHA-256: d6e34d9adc389d044de2b254a1f4adc43f4f6a0d35442db89b61d1a5ffb47df7 x86_64 glib2-2.56.4-165.el8_8.i686.rpm SHA-256: 7cdbcab1f41bc7af1cb06ccb7bb976f7046cc0f07893ad42d6899d538183c1d2 glib2-2.56.4-165.el8_8.x86_64.rpm SHA-256: 22525ba0aad2adc0af74329bf84d6c0e51fbc3785e600ddf862c1434f26a1b13 glib2-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: 6bc8eb0c74bd46874dbcca8267a2b84541a2e425337903a59437c5b86015b3d2 glib2-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: daf1a13b68e1a67b1663a0ba977b9aaae2f98208c3c123cd02c39cfaf8eab91e glib2-debugsource-2.56.4-165.el8_8.i686.rpm SHA-256: 9bc65af20416e12cab400f6f5be41dc704d422d021ee2194805795c50ef8b507 glib2-debugsource-2.56.4-165.el8_8.x86_64.rpm SHA-256: 79da12758431adb3e42d54cc8f8a1d20f3f8ed85b0054c8c4d0abc6847bf993e glib2-devel-2.56.4-165.el8_8.i686.rpm SHA-256: 67d6786068d0cfba0e17fd9ecac26e7bfff849041fe321eab070d7eb7cb9ad2c glib2-devel-2.56.4-165.el8_8.x86_64.rpm SHA-256: 2b016552f85a2cedd59926d8ed83c3b62cb0c06d7e0ed73c22fa3e1c8cbbbc10 glib2-devel-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: 56c8e5f13af7184f9f58b3d42f4be7d454a442c523a0065ef7228930d0da723f glib2-devel-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: 754913c7d1397b8b5daca2a9b6a1d4a4fbc10c844faa1f52315ddd51fda9e058 glib2-fam-2.56.4-165.el8_8.x86_64.rpm SHA-256: ff49ce8efab0156d5676035b26e1999a805459aa081da4e3abb3effaf389d617 glib2-fam-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: d8aadd3e30737e4b5fc456adadfd8eba2578fe55f1e58119fb4c62707e62b57c glib2-fam-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: f04e3514f4433e0e5f612e11da1725ae1f6d538803bcd6b39ae2f39f45230b78 glib2-tests-2.56.4-165.el8_8.x86_64.rpm SHA-256: 860f267d27364933df786d18db9d12fe73dd9972f5909cfa78c0e697c5cf15f6 glib2-tests-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: 57595fcd927a34e437450dd58c20c40404c8ed547dc227920b264e4b6c3b5097 glib2-tests-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: 9c0d59fc31e7fc2397c22e906e91dfdde5a2c2b8d8014e6d30bd3439dc7b7e46 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 SRPM glib2-2.56.4-165.el8_8.src.rpm SHA-256: d6e34d9adc389d044de2b254a1f4adc43f4f6a0d35442db89b61d1a5ffb47df7 ppc64le glib2-2.56.4-165.el8_8.ppc64le.rpm SHA-256: 81782a6e033462cdfb5ef4570e471c542c12b68c131db5932f038945af572327 glib2-debuginfo-2.56.4-165.el8_8.ppc64le.rpm SHA-256: f77ea4e64612c25cbf8e01c45abb87a02f5de9faa01710bce60b157af3fe3c9c glib2-debugsource-2.56.4-165.el8_8.ppc64le.rpm SHA-256: 2908262b72ab18823976742a70589f54a86e08404987bafe4665ad8c354b752d glib2-devel-2.56.4-165.el8_8.ppc64le.rpm SHA-256: aa3fdd941774423d153124c2288472cb811f2ae8437296db40950cb0c1d1d6ed glib2-devel-debuginfo-2.56.4-165.el8_8.ppc64le.rpm SHA-256: 6a52e06d66b261763910eb144851031a09c37e6184b182975d7b64c9ca7bb805 glib2-fam-2.56.4-165.el8_8.ppc64le.rpm SHA-256: b3083a2c252de9ff45e65e8f833d8cb8057e266cf93211ec6dad7f53052e4e40 glib2-fam-debuginfo-2.56.4-165.el8_8.ppc64le.rpm SHA-256: 193e727f435c4764a402ff65ab8e5c286a7d79940b22efceb009382d72c14a29 glib2-tests-2.56.4-165.el8_8.ppc64le.rpm SHA-256: 3a3445455c6844cf607cf91c1d426d5b8628f79d3c558dfe36be5c1c57a8baa3 glib2-tests-debuginfo-2.56.4-165.el8_8.ppc64le.rpm SHA-256: 3102321fffe950920ea1d5e5f6ba7ad72bd82678c65dd37565614d18593be0dd Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 SRPM glib2-2.56.4-165.el8_8.src.rpm SHA-256: d6e34d9adc389d044de2b254a1f4adc43f4f6a0d35442db89b61d1a5ffb47df7 x86_64 glib2-2.56.4-165.el8_8.i686.rpm SHA-256: 7cdbcab1f41bc7af1cb06ccb7bb976f7046cc0f07893ad42d6899d538183c1d2 glib2-2.56.4-165.el8_8.x86_64.rpm SHA-256: 22525ba0aad2adc0af74329bf84d6c0e51fbc3785e600ddf862c1434f26a1b13 glib2-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: 6bc8eb0c74bd46874dbcca8267a2b84541a2e425337903a59437c5b86015b3d2 glib2-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: daf1a13b68e1a67b1663a0ba977b9aaae2f98208c3c123cd02c39cfaf8eab91e glib2-debugsource-2.56.4-165.el8_8.i686.rpm SHA-256: 9bc65af20416e12cab400f6f5be41dc704d422d021ee2194805795c50ef8b507 glib2-debugsource-2.56.4-165.el8_8.x86_64.rpm SHA-256: 79da12758431adb3e42d54cc8f8a1d20f3f8ed85b0054c8c4d0abc6847bf993e glib2-devel-2.56.4-165.el8_8.i686.rpm SHA-256: 67d6786068d0cfba0e17fd9ecac26e7bfff849041fe321eab070d7eb7cb9ad2c glib2-devel-2.56.4-165.el8_8.x86_64.rpm SHA-256: 2b016552f85a2cedd59926d8ed83c3b62cb0c06d7e0ed73c22fa3e1c8cbbbc10 glib2-devel-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: 56c8e5f13af7184f9f58b3d42f4be7d454a442c523a0065ef7228930d0da723f glib2-devel-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: 754913c7d1397b8b5daca2a9b6a1d4a4fbc10c844faa1f52315ddd51fda9e058 glib2-fam-2.56.4-165.el8_8.x86_64.rpm SHA-256: ff49ce8efab0156d5676035b26e1999a805459aa081da4e3abb3effaf389d617 glib2-fam-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: d8aadd3e30737e4b5fc456adadfd8eba2578fe55f1e58119fb4c62707e62b57c glib2-fam-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: f04e3514f4433e0e5f612e11da1725ae1f6d538803bcd6b39ae2f39f45230b78 glib2-tests-2.56.4-165.el8_8.x86_64.rpm SHA-256: 860f267d27364933df786d18db9d12fe73dd9972f5909cfa78c0e697c5cf15f6 glib2-tests-debuginfo-2.56.4-165.el8_8.i686.rpm SHA-256: 57595fcd927a34e437450dd58c20c40404c8ed547dc227920b264e4b6c3b5097 glib2-tests-debuginfo-2.56.4-165.el8_8.x86_64.rpm SHA-256: 9c0d59fc31e7fc2397c22e906e91dfdde5a2c2b8d8014e6d30bd3439dc7b7e46 The Red Hat security contact is secalert@redhat.com . 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