Red Hat Product Errata RHSA-2026:26355 - Security Advisory Issued: 2026-06-16 Updated: 2026-06-16 RHSA-2026:26355 - Security Advisory Overview Updated Packages Synopsis Moderate: libxslt 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 libxslt 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 libxslt is a library for transforming XML files into other textual formats (including HTML, plain text, and other XML representations of the underlying data) using the standard XSLT stylesheet transformation mechanism. Security Fix(es): libxslt: use-after-free with key data stored cross-RVT (CVE-2025-10911) 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 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 - 2397838 - CVE-2025-10911 libxslt: use-after-free with key data stored cross-RVT CVEs CVE-2025-10911 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 libxslt-1.1.32-6.4.el8_10.src.rpm SHA-256: e05abca924b3b4503da7977f03262ab86f2b629da3a78ee527df427322df474f x86_64 libxslt-1.1.32-6.4.el8_10.i686.rpm SHA-256: 6c9c527e4b0e26e0b6fff308311dca4019e788c5096eb6e97b0a69224ce01f4f libxslt-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: 4665bf83a293477ac298bea8676596e1da1f397491dcb3c93c7696da4ba9262b libxslt-debuginfo-1.1.32-6.4.el8_10.i686.rpm SHA-256: 35faadc9fd669c04324a14aaaf31f790cdb65596aaa4542837b133060d016dda libxslt-debuginfo-1.1.32-6.4.el8_10.i686.rpm SHA-256: 35faadc9fd669c04324a14aaaf31f790cdb65596aaa4542837b133060d016dda libxslt-debuginfo-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: e4f08dfb6e21aea55c821782f0a87b50e9585a1cc4745997c29c39a4758b9a8d libxslt-debuginfo-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: e4f08dfb6e21aea55c821782f0a87b50e9585a1cc4745997c29c39a4758b9a8d libxslt-debugsource-1.1.32-6.4.el8_10.i686.rpm SHA-256: 361b338e2dc66daab40a792fdc6ee0b2e2c6cff81a4d48de85fc223a804863f1 libxslt-debugsource-1.1.32-6.4.el8_10.i686.rpm SHA-256: 361b338e2dc66daab40a792fdc6ee0b2e2c6cff81a4d48de85fc223a804863f1 libxslt-debugsource-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: 0a422db74b533c1bb53b74a7b84c546e116748786f3f8fb2828c36be45fdaef8 libxslt-debugsource-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: 0a422db74b533c1bb53b74a7b84c546e116748786f3f8fb2828c36be45fdaef8 libxslt-devel-1.1.32-6.4.el8_10.i686.rpm SHA-256: eb34e0c952fb647f083fe59f3bfab616e7e259b7a37355982564734ec095140e libxslt-devel-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: 6d91a7a22ca92e62d21ca3a54a9f9fb21acea1bb27fdaa32ba5b60d5a8d0f115 Red Hat Enterprise Linux for IBM z Systems 8 SRPM libxslt-1.1.32-6.4.el8_10.src.rpm SHA-256: e05abca924b3b4503da7977f03262ab86f2b629da3a78ee527df427322df474f s390x libxslt-1.1.32-6.4.el8_10.s390x.rpm SHA-256: 0206082096a8fa437c4de869d2ebf9dbf112dd423019e0009421ada89fb1d1b3 libxslt-debuginfo-1.1.32-6.4.el8_10.s390x.rpm SHA-256: 4cdf1a942ac2853743bb540f0e452c439fffc3edfe103be0dde251c564b3ca4a libxslt-debuginfo-1.1.32-6.4.el8_10.s390x.rpm SHA-256: 4cdf1a942ac2853743bb540f0e452c439fffc3edfe103be0dde251c564b3ca4a libxslt-debugsource-1.1.32-6.4.el8_10.s390x.rpm SHA-256: c2c64024664575e8fde327442a814ab433c6bca93aeb71cac7dfbf90e66bba60 libxslt-debugsource-1.1.32-6.4.el8_10.s390x.rpm SHA-256: c2c64024664575e8fde327442a814ab433c6bca93aeb71cac7dfbf90e66bba60 libxslt-devel-1.1.32-6.4.el8_10.s390x.rpm SHA-256: 898a91562a62fbb91f4f8914eca686108b556999d602dba63c589993d682523f Red Hat Enterprise Linux for Power, little endian 8 SRPM libxslt-1.1.32-6.4.el8_10.src.rpm SHA-256: e05abca924b3b4503da7977f03262ab86f2b629da3a78ee527df427322df474f ppc64le libxslt-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: b3640ab50908df6fff1efd15b3f86e80da848b8ae4ee65d4490980aafbceb547 libxslt-debuginfo-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 6c56d4e5074bd4c9226fe221315d1a50ea9f7921f1c5973b16c46213527bdc55 libxslt-debuginfo-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 6c56d4e5074bd4c9226fe221315d1a50ea9f7921f1c5973b16c46213527bdc55 libxslt-debugsource-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 2cfe851889ebfed08a6e681b1b9229d88eaec604167f59948519940e66327d84 libxslt-debugsource-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 2cfe851889ebfed08a6e681b1b9229d88eaec604167f59948519940e66327d84 libxslt-devel-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 01c33ea72fb01e7d9206fe78b4f064cfb1a94c93b6e1d30f3f63e542bee5a406 Red Hat Enterprise Linux for ARM 64 8 SRPM libxslt-1.1.32-6.4.el8_10.src.rpm SHA-256: e05abca924b3b4503da7977f03262ab86f2b629da3a78ee527df427322df474f aarch64 libxslt-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: 8531bc0bb40b28515109094444e67103a998b5f9953f8e4430f1f496d9ef5144 libxslt-debuginfo-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: 72fddd7616aed0fdfd8b42652cb7dd82f33dee5b9442c790a721d3e63e31fc18 libxslt-debuginfo-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: 72fddd7616aed0fdfd8b42652cb7dd82f33dee5b9442c790a721d3e63e31fc18 libxslt-debugsource-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: d0a649bf8bcdb1fb2b2783930c1b51ad80f077c2bcff39fbe33aa165a2e2c313 libxslt-debugsource-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: d0a649bf8bcdb1fb2b2783930c1b51ad80f077c2bcff39fbe33aa165a2e2c313 libxslt-devel-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: ed346ddbcd7a30dd0ea4390df23b68f27daea50e11bc64e1d68de36ec15610da Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 SRPM libxslt-1.1.32-6.4.el8_10.src.rpm SHA-256: e05abca924b3b4503da7977f03262ab86f2b629da3a78ee527df427322df474f x86_64 libxslt-1.1.32-6.4.el8_10.i686.rpm SHA-256: 6c9c527e4b0e26e0b6fff308311dca4019e788c5096eb6e97b0a69224ce01f4f libxslt-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: 4665bf83a293477ac298bea8676596e1da1f397491dcb3c93c7696da4ba9262b libxslt-debuginfo-1.1.32-6.4.el8_10.i686.rpm SHA-256: 35faadc9fd669c04324a14aaaf31f790cdb65596aaa4542837b133060d016dda libxslt-debuginfo-1.1.32-6.4.el8_10.i686.rpm SHA-256: 35faadc9fd669c04324a14aaaf31f790cdb65596aaa4542837b133060d016dda libxslt-debuginfo-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: e4f08dfb6e21aea55c821782f0a87b50e9585a1cc4745997c29c39a4758b9a8d libxslt-debuginfo-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: e4f08dfb6e21aea55c821782f0a87b50e9585a1cc4745997c29c39a4758b9a8d libxslt-debugsource-1.1.32-6.4.el8_10.i686.rpm SHA-256: 361b338e2dc66daab40a792fdc6ee0b2e2c6cff81a4d48de85fc223a804863f1 libxslt-debugsource-1.1.32-6.4.el8_10.i686.rpm SHA-256: 361b338e2dc66daab40a792fdc6ee0b2e2c6cff81a4d48de85fc223a804863f1 libxslt-debugsource-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: 0a422db74b533c1bb53b74a7b84c546e116748786f3f8fb2828c36be45fdaef8 libxslt-debugsource-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: 0a422db74b533c1bb53b74a7b84c546e116748786f3f8fb2828c36be45fdaef8 libxslt-devel-1.1.32-6.4.el8_10.i686.rpm SHA-256: eb34e0c952fb647f083fe59f3bfab616e7e259b7a37355982564734ec095140e libxslt-devel-1.1.32-6.4.el8_10.x86_64.rpm SHA-256: 6d91a7a22ca92e62d21ca3a54a9f9fb21acea1bb27fdaa32ba5b60d5a8d0f115 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 SRPM libxslt-1.1.32-6.4.el8_10.src.rpm SHA-256: e05abca924b3b4503da7977f03262ab86f2b629da3a78ee527df427322df474f aarch64 libxslt-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: 8531bc0bb40b28515109094444e67103a998b5f9953f8e4430f1f496d9ef5144 libxslt-debuginfo-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: 72fddd7616aed0fdfd8b42652cb7dd82f33dee5b9442c790a721d3e63e31fc18 libxslt-debuginfo-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: 72fddd7616aed0fdfd8b42652cb7dd82f33dee5b9442c790a721d3e63e31fc18 libxslt-debugsource-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: d0a649bf8bcdb1fb2b2783930c1b51ad80f077c2bcff39fbe33aa165a2e2c313 libxslt-debugsource-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: d0a649bf8bcdb1fb2b2783930c1b51ad80f077c2bcff39fbe33aa165a2e2c313 libxslt-devel-1.1.32-6.4.el8_10.aarch64.rpm SHA-256: ed346ddbcd7a30dd0ea4390df23b68f27daea50e11bc64e1d68de36ec15610da Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 SRPM libxslt-1.1.32-6.4.el8_10.src.rpm SHA-256: e05abca924b3b4503da7977f03262ab86f2b629da3a78ee527df427322df474f ppc64le libxslt-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: b3640ab50908df6fff1efd15b3f86e80da848b8ae4ee65d4490980aafbceb547 libxslt-debuginfo-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 6c56d4e5074bd4c9226fe221315d1a50ea9f7921f1c5973b16c46213527bdc55 libxslt-debuginfo-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 6c56d4e5074bd4c9226fe221315d1a50ea9f7921f1c5973b16c46213527bdc55 libxslt-debugsource-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 2cfe851889ebfed08a6e681b1b9229d88eaec604167f59948519940e66327d84 libxslt-debugsource-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 2cfe851889ebfed08a6e681b1b9229d88eaec604167f59948519940e66327d84 libxslt-devel-1.1.32-6.4.el8_10.ppc64le.rpm SHA-256: 01c33ea72fb01e7d9206fe78b4f064cfb1a94c93b6e1d30f3f63e542bee5a406 Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 SRPM libxslt-1.1.32-6.4.el8_10.src.rpm SHA-256: e05abca924b3b4503da7977f03262ab86f2b629d