RHSA-2026:29976: Moderate: libxslt security update

Published Jun 25, 2026
·
Updated

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.

Affected Software

16 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension
redhat/libxslt<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt-debuginfo<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt-debuginfo<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt-debugsource<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt-debugsource<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt-devel<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt-devel<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt-debuginfo<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt-debugsource<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1
redhat/libxslt-devel<1.1.32-8.el8_8.1
1.1.32-8.el8_8.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.32-8.el8_8.1
  2. Upgrade

    Upgrade redhat/libxslt-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.1.32-8.el8_8.1
  3. Upgrade

    Upgrade redhat/libxslt-debugsource to a version that resolves this vulnerability.

    Fixed in 1.1.32-8.el8_8.1
  4. Upgrade

    Upgrade redhat/libxslt-devel to a version that resolves this vulnerability.

    Fixed in 1.1.32-8.el8_8.1
  5. Upgrade

    Upgrade libxslt to a version that resolves this vulnerability.

    Patch CVE-2025-10911

Event History

Jun 25, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·02:55 PM
Data Sourced
via Red Hat·02:55 PM
Severity

Frequently Asked Questions

1

What is the severity of RHSA-2026:29976?

The severity of RHSA-2026:29976 is classified as medium, with a score of 4.

2

What types of systems are affected by RHSA-2026:29976?

RHSA-2026:29976 affects various versions of Red Hat Enterprise Linux, including the Server edition and those for SAP Solutions.

3

How do I fix RHSA-2026:29976?

To fix RHSA-2026:29976, apply the latest security patches provided by Red Hat for the libxslt package.

4

What is the nature of the vulnerability in RHSA-2026:29976?

The vulnerability in RHSA-2026:29976 is a use-after-free issue that can occur with key data stored across runtime variable tables (RVT).

5

What is libxslt and why is it important in RHSA-2026:29976?

Libxslt is a library used for transforming XML files into various formats, and its vulnerability can expose systems to security risks.

Company

Resources

Contact

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