Red Hat Product Errata RHSA-2026:29976 - Security Advisory Issued: 2026-06-25 Updated: 2026-06-25 RHSA-2026:29976 - 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 8.8 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 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 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 - 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 Extension 8.8 SRPM libxslt-1.1.32-8.el8_8.1.src.rpm SHA-256: e90f5afeb48dbf2a6abd9702a93465d0c1963dcbf907263724e905f7aed3568e x86_64 libxslt-1.1.32-8.el8_8.1.i686.rpm SHA-256: 9c03304865b7d11cb15da8c75feb0ce8aa7c5d9978a08ab1ea4862121d5044e0 libxslt-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: 2c5eab962709cc983430799a1c513bc1ec90347c9fe4e3cb7224d613a53ccc04 libxslt-debuginfo-1.1.32-8.el8_8.1.i686.rpm SHA-256: 225ff5754a303e481e2b6d10d818934af3dd281f7fdb3110ea66cdcf92112ccd libxslt-debuginfo-1.1.32-8.el8_8.1.i686.rpm SHA-256: 225ff5754a303e481e2b6d10d818934af3dd281f7fdb3110ea66cdcf92112ccd libxslt-debuginfo-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: 3874f825d7c8a63c15cce6c7bf9989ab5848b2e12c474dbc00fcedb6d66ea62d libxslt-debuginfo-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: 3874f825d7c8a63c15cce6c7bf9989ab5848b2e12c474dbc00fcedb6d66ea62d libxslt-debugsource-1.1.32-8.el8_8.1.i686.rpm SHA-256: 836618609817ae3944a11697e04aca5bc1f45a0204a97f9004efb748c5964885 libxslt-debugsource-1.1.32-8.el8_8.1.i686.rpm SHA-256: 836618609817ae3944a11697e04aca5bc1f45a0204a97f9004efb748c5964885 libxslt-debugsource-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: dfe8d14b27f62bd861dc7205e38fccf577625f1b4902a66d769169f74a7050d1 libxslt-debugsource-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: dfe8d14b27f62bd861dc7205e38fccf577625f1b4902a66d769169f74a7050d1 libxslt-devel-1.1.32-8.el8_8.1.i686.rpm SHA-256: d913aaec28372d58f721d5c45a6578d03faddab0c73f1f29f2b50d09b120c3d9 libxslt-devel-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: b4b8d3544919339d8a20513eb1e51da87eee0289d888b39e93adc6c32f773493 Red Hat Enterprise Linux Server - TUS 8.8 SRPM libxslt-1.1.32-8.el8_8.1.src.rpm SHA-256: e90f5afeb48dbf2a6abd9702a93465d0c1963dcbf907263724e905f7aed3568e x86_64 libxslt-1.1.32-8.el8_8.1.i686.rpm SHA-256: 9c03304865b7d11cb15da8c75feb0ce8aa7c5d9978a08ab1ea4862121d5044e0 libxslt-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: 2c5eab962709cc983430799a1c513bc1ec90347c9fe4e3cb7224d613a53ccc04 libxslt-debuginfo-1.1.32-8.el8_8.1.i686.rpm SHA-256: 225ff5754a303e481e2b6d10d818934af3dd281f7fdb3110ea66cdcf92112ccd libxslt-debuginfo-1.1.32-8.el8_8.1.i686.rpm SHA-256: 225ff5754a303e481e2b6d10d818934af3dd281f7fdb3110ea66cdcf92112ccd libxslt-debuginfo-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: 3874f825d7c8a63c15cce6c7bf9989ab5848b2e12c474dbc00fcedb6d66ea62d libxslt-debuginfo-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: 3874f825d7c8a63c15cce6c7bf9989ab5848b2e12c474dbc00fcedb6d66ea62d libxslt-debugsource-1.1.32-8.el8_8.1.i686.rpm SHA-256: 836618609817ae3944a11697e04aca5bc1f45a0204a97f9004efb748c5964885 libxslt-debugsource-1.1.32-8.el8_8.1.i686.rpm SHA-256: 836618609817ae3944a11697e04aca5bc1f45a0204a97f9004efb748c5964885 libxslt-debugsource-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: dfe8d14b27f62bd861dc7205e38fccf577625f1b4902a66d769169f74a7050d1 libxslt-debugsource-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: dfe8d14b27f62bd861dc7205e38fccf577625f1b4902a66d769169f74a7050d1 libxslt-devel-1.1.32-8.el8_8.1.i686.rpm SHA-256: d913aaec28372d58f721d5c45a6578d03faddab0c73f1f29f2b50d09b120c3d9 libxslt-devel-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: b4b8d3544919339d8a20513eb1e51da87eee0289d888b39e93adc6c32f773493 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 SRPM libxslt-1.1.32-8.el8_8.1.src.rpm SHA-256: e90f5afeb48dbf2a6abd9702a93465d0c1963dcbf907263724e905f7aed3568e ppc64le libxslt-1.1.32-8.el8_8.1.ppc64le.rpm SHA-256: 90597bcaecfc8297c276ad076a8efb41702709e56c6f9794f64c9971c70ffd75 libxslt-debuginfo-1.1.32-8.el8_8.1.ppc64le.rpm SHA-256: 7e5f2abb021e1547af28d41fe0af5094685fb275a6454db20a9dd0e1853e5a42 libxslt-debuginfo-1.1.32-8.el8_8.1.ppc64le.rpm SHA-256: 7e5f2abb021e1547af28d41fe0af5094685fb275a6454db20a9dd0e1853e5a42 libxslt-debugsource-1.1.32-8.el8_8.1.ppc64le.rpm SHA-256: ed8cf8dceee6a1828d187aa1bd36d3706972cb2c2911b5785f5cbf8d110ef38a libxslt-debugsource-1.1.32-8.el8_8.1.ppc64le.rpm SHA-256: ed8cf8dceee6a1828d187aa1bd36d3706972cb2c2911b5785f5cbf8d110ef38a libxslt-devel-1.1.32-8.el8_8.1.ppc64le.rpm SHA-256: 79f5290bf51ff4f53b861037c0b0fd70c5f2aa7d8fe590138eff8d55f0818a77 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 SRPM libxslt-1.1.32-8.el8_8.1.src.rpm SHA-256: e90f5afeb48dbf2a6abd9702a93465d0c1963dcbf907263724e905f7aed3568e x86_64 libxslt-1.1.32-8.el8_8.1.i686.rpm SHA-256: 9c03304865b7d11cb15da8c75feb0ce8aa7c5d9978a08ab1ea4862121d5044e0 libxslt-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: 2c5eab962709cc983430799a1c513bc1ec90347c9fe4e3cb7224d613a53ccc04 libxslt-debuginfo-1.1.32-8.el8_8.1.i686.rpm SHA-256: 225ff5754a303e481e2b6d10d818934af3dd281f7fdb3110ea66cdcf92112ccd libxslt-debuginfo-1.1.32-8.el8_8.1.i686.rpm SHA-256: 225ff5754a303e481e2b6d10d818934af3dd281f7fdb3110ea66cdcf92112ccd libxslt-debuginfo-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: 3874f825d7c8a63c15cce6c7bf9989ab5848b2e12c474dbc00fcedb6d66ea62d libxslt-debuginfo-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: 3874f825d7c8a63c15cce6c7bf9989ab5848b2e12c474dbc00fcedb6d66ea62d libxslt-debugsource-1.1.32-8.el8_8.1.i686.rpm SHA-256: 836618609817ae3944a11697e04aca5bc1f45a0204a97f9004efb748c5964885 libxslt-debugsource-1.1.32-8.el8_8.1.i686.rpm SHA-256: 836618609817ae3944a11697e04aca5bc1f45a0204a97f9004efb748c5964885 libxslt-debugsource-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: dfe8d14b27f62bd861dc7205e38fccf577625f1b4902a66d769169f74a7050d1 libxslt-debugsource-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: dfe8d14b27f62bd861dc7205e38fccf577625f1b4902a66d769169f74a7050d1 libxslt-devel-1.1.32-8.el8_8.1.i686.rpm SHA-256: d913aaec28372d58f721d5c45a6578d03faddab0c73f1f29f2b50d09b120c3d9 libxslt-devel-1.1.32-8.el8_8.1.x86_64.rpm SHA-256: b4b8d3544919339d8a20513eb1e51da87eee0289d888b39e93adc6c32f773493 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .