Red Hat Product Errata RHSA-2026:29807 - Security Advisory Issued: 2026-06-25 Updated: 2026-06-25 RHSA-2026:29807 - 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 9.6 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 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 - Extended Update Support 9.6 x86_64 Red Hat Enterprise Linux Server - AUS 9.6 x86_64 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 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 - Extended Update Support 9.6 SRPM libxslt-1.1.34-13.el9_6.2.src.rpm SHA-256: 581e57ad1e2ad4a95aa682440b789726e7f8d3a8d1c4120eea4856ab42cb7b30 x86_64 libxslt-1.1.34-13.el9_6.2.i686.rpm SHA-256: 2ab383374908c72612bf07d169b81c7b68aa22329f60f6fb7b6495ee0277b570 libxslt-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: fbaad5f1ca8422cd20ede7324bf4fc2cc013e5ef106f698f89f50271727b6152 libxslt-debuginfo-1.1.34-13.el9_6.2.i686.rpm SHA-256: c0741b2abce09a2e5e7cdf45e26e7e774a742f20e3c8b3b3c2cef9744dd1abc4 libxslt-debuginfo-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: 69e07598fec91b9661c1f0844e8b38781200abb31c10d8c11f2f2dfdcf292911 libxslt-debugsource-1.1.34-13.el9_6.2.i686.rpm SHA-256: 5a81a567a46e3300747311e077f24ccd43b5c5b465aa99b8163fda4d5154698f libxslt-debugsource-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: 59a1bebbb38c4528758d3affdab3b3b2fe6c1dfaa376a5951cf5ba553764155a libxslt-devel-1.1.34-13.el9_6.2.i686.rpm SHA-256: dc3a2e21ea92a04bbaa3ba86ba65a2a65db255cc007dee91c08df8a9511962d8 libxslt-devel-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: 48c7eb45cb496908613a9b2ce6c2d50319b7b98fcfd4d1cb12002657ca16693e Red Hat Enterprise Linux Server - AUS 9.6 SRPM libxslt-1.1.34-13.el9_6.2.src.rpm SHA-256: 581e57ad1e2ad4a95aa682440b789726e7f8d3a8d1c4120eea4856ab42cb7b30 x86_64 libxslt-1.1.34-13.el9_6.2.i686.rpm SHA-256: 2ab383374908c72612bf07d169b81c7b68aa22329f60f6fb7b6495ee0277b570 libxslt-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: fbaad5f1ca8422cd20ede7324bf4fc2cc013e5ef106f698f89f50271727b6152 libxslt-debuginfo-1.1.34-13.el9_6.2.i686.rpm SHA-256: c0741b2abce09a2e5e7cdf45e26e7e774a742f20e3c8b3b3c2cef9744dd1abc4 libxslt-debuginfo-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: 69e07598fec91b9661c1f0844e8b38781200abb31c10d8c11f2f2dfdcf292911 libxslt-debugsource-1.1.34-13.el9_6.2.i686.rpm SHA-256: 5a81a567a46e3300747311e077f24ccd43b5c5b465aa99b8163fda4d5154698f libxslt-debugsource-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: 59a1bebbb38c4528758d3affdab3b3b2fe6c1dfaa376a5951cf5ba553764155a libxslt-devel-1.1.34-13.el9_6.2.i686.rpm SHA-256: dc3a2e21ea92a04bbaa3ba86ba65a2a65db255cc007dee91c08df8a9511962d8 libxslt-devel-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: 48c7eb45cb496908613a9b2ce6c2d50319b7b98fcfd4d1cb12002657ca16693e Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 SRPM libxslt-1.1.34-13.el9_6.2.src.rpm SHA-256: 581e57ad1e2ad4a95aa682440b789726e7f8d3a8d1c4120eea4856ab42cb7b30 s390x libxslt-1.1.34-13.el9_6.2.s390x.rpm SHA-256: 2d9872d2f5b079e3966dff21ed90e35553995517cb9dc8c7a2fcf72e4c19457b libxslt-debuginfo-1.1.34-13.el9_6.2.s390x.rpm SHA-256: 54ff68633808987c458ca77e866a0f895b211107172308f44f364afa0db564e8 libxslt-debugsource-1.1.34-13.el9_6.2.s390x.rpm SHA-256: cb15b40e43e2ad13154d86909c5ff79eb783f1041085be3690427ae4baadc5cf libxslt-devel-1.1.34-13.el9_6.2.s390x.rpm SHA-256: 8cc5317dca0a508e5cd4e51937087a81e5fb1bd7b926da8f5c2cb4c619a74af8 Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 SRPM libxslt-1.1.34-13.el9_6.2.src.rpm SHA-256: 581e57ad1e2ad4a95aa682440b789726e7f8d3a8d1c4120eea4856ab42cb7b30 ppc64le libxslt-1.1.34-13.el9_6.2.ppc64le.rpm SHA-256: ff89e1256fa0b99da5a4fca6bca1e101b85b191e18e232447172980e248c58d6 libxslt-debuginfo-1.1.34-13.el9_6.2.ppc64le.rpm SHA-256: 836ee59bf07badf60351c5bcdd34b892aaff350453b2863bc8d68c20fe7e6b60 libxslt-debugsource-1.1.34-13.el9_6.2.ppc64le.rpm SHA-256: 59e4faf1e9185cf0baeb1fdabc8cc31404538d0939d283ab327b81ba8f4dbc1b libxslt-devel-1.1.34-13.el9_6.2.ppc64le.rpm SHA-256: 11573d1328104c9df673d95f49e23eec9a87d0736f644c83660893fbe4e93cbb Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 SRPM libxslt-1.1.34-13.el9_6.2.src.rpm SHA-256: 581e57ad1e2ad4a95aa682440b789726e7f8d3a8d1c4120eea4856ab42cb7b30 aarch64 libxslt-1.1.34-13.el9_6.2.aarch64.rpm SHA-256: b87f5b4991bb04771ce1c6c26611a9eeb754fa80ffc257199e68db6ed5f03959 libxslt-debuginfo-1.1.34-13.el9_6.2.aarch64.rpm SHA-256: 4f3b6e56b4cf82c3ea460a7103ba3270cd461c7b66110edbd74ea315e6f08754 libxslt-debugsource-1.1.34-13.el9_6.2.aarch64.rpm SHA-256: 74df789489f2368dbec0ce0537acfb1afe50a710a48e7fb473022cda8e0c26ef libxslt-devel-1.1.34-13.el9_6.2.aarch64.rpm SHA-256: 12900f6829ed962c4511bec5e797200888c9ab953bb1568119c19127926b3b91 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 SRPM libxslt-1.1.34-13.el9_6.2.src.rpm SHA-256: 581e57ad1e2ad4a95aa682440b789726e7f8d3a8d1c4120eea4856ab42cb7b30 ppc64le libxslt-1.1.34-13.el9_6.2.ppc64le.rpm SHA-256: ff89e1256fa0b99da5a4fca6bca1e101b85b191e18e232447172980e248c58d6 libxslt-debuginfo-1.1.34-13.el9_6.2.ppc64le.rpm SHA-256: 836ee59bf07badf60351c5bcdd34b892aaff350453b2863bc8d68c20fe7e6b60 libxslt-debugsource-1.1.34-13.el9_6.2.ppc64le.rpm SHA-256: 59e4faf1e9185cf0baeb1fdabc8cc31404538d0939d283ab327b81ba8f4dbc1b libxslt-devel-1.1.34-13.el9_6.2.ppc64le.rpm SHA-256: 11573d1328104c9df673d95f49e23eec9a87d0736f644c83660893fbe4e93cbb Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 SRPM libxslt-1.1.34-13.el9_6.2.src.rpm SHA-256: 581e57ad1e2ad4a95aa682440b789726e7f8d3a8d1c4120eea4856ab42cb7b30 x86_64 libxslt-1.1.34-13.el9_6.2.i686.rpm SHA-256: 2ab383374908c72612bf07d169b81c7b68aa22329f60f6fb7b6495ee0277b570 libxslt-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: fbaad5f1ca8422cd20ede7324bf4fc2cc013e5ef106f698f89f50271727b6152 libxslt-debuginfo-1.1.34-13.el9_6.2.i686.rpm SHA-256: c0741b2abce09a2e5e7cdf45e26e7e774a742f20e3c8b3b3c2cef9744dd1abc4 libxslt-debuginfo-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: 69e07598fec91b9661c1f0844e8b38781200abb31c10d8c11f2f2dfdcf292911 libxslt-debugsource-1.1.34-13.el9_6.2.i686.rpm SHA-256: 5a81a567a46e3300747311e077f24ccd43b5c5b465aa99b8163fda4d5154698f libxslt-debugsource-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: 59a1bebbb38c4528758d3affdab3b3b2fe6c1dfaa376a5951cf5ba553764155a libxslt-devel-1.1.34-13.el9_6.2.i686.rpm SHA-256: dc3a2e21ea92a04bbaa3ba86ba65a2a65db255cc007dee91c08df8a9511962d8 libxslt-devel-1.1.34-13.el9_6.2.x86_64.rpm SHA-256: 48c7eb45cb496908613a9b2ce6c2d50319b7b98fcfd4d1cb12002657ca16693e Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 SRPM libxslt-1.1.34-13.el9_6.2.src.rpm SHA-256: 581e57ad1e2ad4a95aa682440b789726e7f8d3a8d1c4120eea4856ab42cb7b30 aarch64 libxslt-1.1.34-13.el9_6.2.aarch64.rpm SHA-256: b87f5b4991bb04771ce1c6c26611a9eeb754fa80ffc257199e68db6ed5f03959 libxslt-debuginfo-1.1.34-13.el9_6.2.aarch64.rpm SHA-256: 4f3b6e56b4cf82c3ea460a7103ba3270cd461c7b66110edbd74ea315e6f08754 libxslt-debugsource-1.1.34-13.el9_6.2.aarch64.rpm SHA-256: 74df789489f2368dbec0ce0537acfb1afe50a710a48e7fb473022cda8e0c26ef libxslt-devel-1.1.34-13.el9_6.2.aarch64.rpm SHA-256: 12900f6829ed962c4511bec5e797200888c9ab953bb1568119c19127926b3b91 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 SRPM libxslt-1.1.34-13.el9_6.2.src.rpm SHA-256: 581e57ad1e2ad4a95aa682440b789726e7f8d3a8d1c4120eea4856ab42cb7b30 s390x libxslt-1.1.34-13.el9_6.2.s390x.rpm SHA-256: 2d9872d2f5b079e3966dff21ed90e35553995517cb9dc8c7a2fcf72e4c19457b libxslt-debuginfo-1.1.34-13.el9_6.2.s390x.rpm SHA-256: 54ff68633808987c458ca77e866a0f895b211107172308f44f364afa0db564e8 libxslt-debugsource-1.1.34-13.el9_6.2.s390x.rpm SHA-256: cb15b40e43e2ad13154d86909c5ff79eb783f1041085be3690427ae4baadc5cf libxslt-devel-1.1.34-13.el9_6.2.s390x.rpm SHA-256: 8cc5317dca0a508e5cd4e51937087a8