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HIGH Updates Red Hat Errata

RHSA-2026:8886: Important: giflib security update

A double-free vulnerability (CVE-2026-23868, CVSS 5.1 MEDIUM) in the giflib library can lead to memory corruption when processing GIF images. The security update addresses this flaw for specific Red Hat Enterprise Linux 8.8 extended support channels, including Update Services for SAP Solutions and Telecommunications Update Service. Administrators should apply the provided package updates, such as giflib-5.1.4-3.el8_8.1, following Red Hat's standard patch procedures.
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Red Hat Product Errata RHSA-2026:8886 - Security Advisory Issued: 2026-04-20 Updated: 2026-04-20 RHSA-2026:8886 - Security Advisory Overview Updated Packages Synopsis Important: giflib security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for giflib 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 Important. 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 giflib is a library for reading and writing gif images. Security Fix(es): giflib: Giflib: Double-free vulnerability leading to memory corruption (CVE-2026-23868) 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 - 2446207 - CVE-2026-23868 giflib: Giflib: Double-free vulnerability leading to memory corruption CVEs CVE-2026-23868 References https://access.redhat.com/security/updates/classification/#important 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 giflib-5.1.4-3.el8_8.1.src.rpm SHA-256: 61dcae08bbe6efa4982e94dbf8c33b55fb8c51c64b7420d622263bea58b8a9de x86_64 giflib-5.1.4-3.el8_8.1.i686.rpm SHA-256: ff5ec816176f8417b76f46f936dc312e1ffd7ef2a266d68b968c623371a7e2cd giflib-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: 56b6fdb288119619e5e51d3a86e40409ef9285f42a23a5d065a8393845917db9 giflib-debuginfo-5.1.4-3.el8_8.1.i686.rpm SHA-256: 335e2bbad55b580ecd31274991eccbd9b621b3aab42c9c7f1f1c903c0f95f74e giflib-debuginfo-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: 99e1310464ae75953da47d0d3828b9ccaba0d8b8e591a1cf84f3d061a242d903 giflib-debugsource-5.1.4-3.el8_8.1.i686.rpm SHA-256: 34869d907bfbfe49f6ec449919fe79774f12bccf2b820a585e5b5ed50aef7f49 giflib-debugsource-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: 3baf7466f39fa5f7d0f556ec92851f40bd26e54f9e523f31fede2947c8c653b0 giflib-utils-debuginfo-5.1.4-3.el8_8.1.i686.rpm SHA-256: 6a7758da261426cc68686c984083ab1e1ab76b80cac4d774afa190118954555e giflib-utils-debuginfo-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: bbb0232f4fbd0d9442aa81a4431c36c773a8ec4d4bdfd0a0f9cea05921623f04 Red Hat Enterprise Linux Server - TUS 8.8 SRPM giflib-5.1.4-3.el8_8.1.src.rpm SHA-256: 61dcae08bbe6efa4982e94dbf8c33b55fb8c51c64b7420d622263bea58b8a9de x86_64 giflib-5.1.4-3.el8_8.1.i686.rpm SHA-256: ff5ec816176f8417b76f46f936dc312e1ffd7ef2a266d68b968c623371a7e2cd giflib-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: 56b6fdb288119619e5e51d3a86e40409ef9285f42a23a5d065a8393845917db9 giflib-debuginfo-5.1.4-3.el8_8.1.i686.rpm SHA-256: 335e2bbad55b580ecd31274991eccbd9b621b3aab42c9c7f1f1c903c0f95f74e giflib-debuginfo-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: 99e1310464ae75953da47d0d3828b9ccaba0d8b8e591a1cf84f3d061a242d903 giflib-debugsource-5.1.4-3.el8_8.1.i686.rpm SHA-256: 34869d907bfbfe49f6ec449919fe79774f12bccf2b820a585e5b5ed50aef7f49 giflib-debugsource-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: 3baf7466f39fa5f7d0f556ec92851f40bd26e54f9e523f31fede2947c8c653b0 giflib-utils-debuginfo-5.1.4-3.el8_8.1.i686.rpm SHA-256: 6a7758da261426cc68686c984083ab1e1ab76b80cac4d774afa190118954555e giflib-utils-debuginfo-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: bbb0232f4fbd0d9442aa81a4431c36c773a8ec4d4bdfd0a0f9cea05921623f04 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 SRPM giflib-5.1.4-3.el8_8.1.src.rpm SHA-256: 61dcae08bbe6efa4982e94dbf8c33b55fb8c51c64b7420d622263bea58b8a9de ppc64le giflib-5.1.4-3.el8_8.1.ppc64le.rpm SHA-256: 536f3c8b0f2ff464dd63bc7e061924a5036b1d01bd9e1a4945cfb8817d9ed9df giflib-debuginfo-5.1.4-3.el8_8.1.ppc64le.rpm SHA-256: 5aaa725e55f4caf38535aa19b856530f0b1f663f076a3b44f01188814d5694aa giflib-debugsource-5.1.4-3.el8_8.1.ppc64le.rpm SHA-256: 84efce57018d2d86977d1bb584207551ece7e7d2aba2622630f77b1ec269d092 giflib-utils-debuginfo-5.1.4-3.el8_8.1.ppc64le.rpm SHA-256: f1cec1e120a1b568fffb5ad404f0083eacfb9310bbd5b80bac5ee814690d5205 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 SRPM giflib-5.1.4-3.el8_8.1.src.rpm SHA-256: 61dcae08bbe6efa4982e94dbf8c33b55fb8c51c64b7420d622263bea58b8a9de x86_64 giflib-5.1.4-3.el8_8.1.i686.rpm SHA-256: ff5ec816176f8417b76f46f936dc312e1ffd7ef2a266d68b968c623371a7e2cd giflib-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: 56b6fdb288119619e5e51d3a86e40409ef9285f42a23a5d065a8393845917db9 giflib-debuginfo-5.1.4-3.el8_8.1.i686.rpm SHA-256: 335e2bbad55b580ecd31274991eccbd9b621b3aab42c9c7f1f1c903c0f95f74e giflib-debuginfo-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: 99e1310464ae75953da47d0d3828b9ccaba0d8b8e591a1cf84f3d061a242d903 giflib-debugsource-5.1.4-3.el8_8.1.i686.rpm SHA-256: 34869d907bfbfe49f6ec449919fe79774f12bccf2b820a585e5b5ed50aef7f49 giflib-debugsource-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: 3baf7466f39fa5f7d0f556ec92851f40bd26e54f9e523f31fede2947c8c653b0 giflib-utils-debuginfo-5.1.4-3.el8_8.1.i686.rpm SHA-256: 6a7758da261426cc68686c984083ab1e1ab76b80cac4d774afa190118954555e giflib-utils-debuginfo-5.1.4-3.el8_8.1.x86_64.rpm SHA-256: bbb0232f4fbd0d9442aa81a4431c36c773a8ec4d4bdfd0a0f9cea05921623f04 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .

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