CVE-2025-10911: Libxslt: use-after-free with key data stored cross-rvt

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-25 · updated 2026-10-18
Weakness: CWE-825

Description

A use-after-free vulnerability was found in libxslt while parsing xsl nodes that may lead to the dereference of expired pointers and application crash.

Affected products

Red Hat OpenShift Container Platform 4.18: all versions
Red Hat Discovery 2: all versions — fixed in 1782756541
Red Hat Enterprise Linux 10: all versions — fixed in 0:1.1.39-8.el10_2.1
Red Hat Enterprise Linux 10.0 Extended Update Support: all versions — fixed in 0:1.1.39-8.el10_0.1
Red Hat Enterprise Linux 6: all versions
Red Hat Enterprise Linux 7: all versions
Red Hat Enterprise Linux 8: all versions — fixed in 0:1.1.32-6.4.el8_10
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: all versions — fixed in 0:1.1.32-8.el8_4.1
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On: all versions — fixed in 0:1.1.32-8.el8_4.1
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support: all versions — fixed in 0:1.1.32-8.el8_6.1
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On: all versions — fixed in 0:1.1.32-8.el8_6.1
Red Hat Enterprise Linux 8.8 Telecommunications Update Service: all versions — fixed in 0:1.1.32-8.el8_8.1
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions: all versions — fixed in 0:1.1.32-8.el8_8.1
Red Hat Enterprise Linux 9: all versions — fixed in 0:1.1.34-14.el9_8.1
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions: all versions — fixed in 0:1.1.34-12.el9_2
Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions: all versions — fixed in 0:1.1.34-15.el9_4
Red Hat Enterprise Linux 9.6 Extended Update Support: all versions — fixed in 0:1.1.34-13.el9_6.2
Red Hat Hardened Images: all versions — fixed in 1.1.45-0.1.hum1
Red Hat OpenShift AI 3.4: all versions — fixed in 1790703542
Red Hat Update Infrastructure 5: all versions — fixed in 1784795076, 1787241260

How to fix

Upgrade to a fixed version: Red Hat Discovery 2 1782756541; Red Hat Enterprise Linux 10 0:1.1.39-8.el10_2.1; Red Hat Enterprise Linux 10.0 Extended Update Support 0:1.1.39-8.el10_0.1; Red Hat Enterprise Linux 8 0:1.1.32-6.4.el8_10; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:1.1.32-8.el8_4.1; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:1.1.32-8.el8_4.1; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:1.1.32-8.el8_6.1; Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:1.1.32-8.el8_6.1; Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:1.1.32-8.el8_8.1; Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:1.1.32-8.el8_8.1; Red Hat Enterprise Linux 9 0:1.1.34-14.el9_8.1; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:1.1.34-12.el9_2. Check the vendor advisory for mitigations.

References

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