Type Confusion in libxslt - CVE-2025-11731

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Main Vulnerability Database Vulnerabilities #VU117878

Type Confusion in libxslt - CVE-2025-11731

Published: October 31, 2025


Vulnerability identifier: #VU117878
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-11731
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a type confusion error within the exsltFuncResultComp() function when handling EXSLT elements during stylesheet parsing. A remote attacker can pass specially crafted XML data to the application, trigger a type confusion error and perform a denial of service (DoS) attack.


Affected software

libxslt
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Enterprise Storage
SUSE Package Hub 15
Basesystem Module
openSUSE Leap
openEuler
Anolis OS
Nessus Network Monitor
Tenable Nessus
libxslt1-debuginfo-32bit
libxslt1-32bit
libxslt-devel
libxslt-tools
libxslt1
libxslt-tools-debuginfo
libxslt1-debuginfo
libxslt-debugsource
libxslt-python
libxslt-python-debugsource
libxslt-python-debuginfo
libxslt-help
python2-libxslt
libxslt-debuginfo
libxslt
libxslt-devel-32bit
libxslt1-32bit-debuginfo
libxslt1-64bit-debuginfo
libxslt-devel-64bit
libxslt1-64bit
python3-libxslt
libxslt-doc

How to mitigate CVE-2025-11731

Install updates from vendor's website.

Nessus Network Monitor - update to 6.5.3
Tenable Nessus - addressed in versions 10.8.0, 10.8.1, 10.8.2, 10.8.3, 10.8.4, 10.8.5, 10.8.6, 10.9.6, 10.11.1
libxslt1-debuginfo-32bit - update to 1.1.28-17.21.1
libxslt1-32bit - addressed in versions 1.1.28-17.21.1, 1.1.34-150400.3.13.1
libxslt-devel - addressed in versions 1.1.28-17.21.1, 1.1.32-150000.3.28.1, 1.1.34-150400.3.13.1
libxslt-tools - addressed in versions 1.1.28-17.21.1, 1.1.32-150000.3.28.1, 1.1.34-150400.3.13.1
libxslt1 - addressed in versions 1.1.28-17.21.1, 1.1.32-150000.3.28.1, 1.1.34-150400.3.13.1
libxslt-tools-debuginfo - addressed in versions 1.1.28-17.21.1, 1.1.32-150000.3.28.1, 1.1.34-150400.3.13.1
libxslt1-debuginfo - addressed in versions 1.1.28-17.21.1, 1.1.32-150000.3.28.1, 1.1.34-150400.3.13.1
libxslt-debugsource - addressed in versions 1.1.28-17.21.1, 1.1.32-150000.3.28.1, 1.1.34-150400.3.13.1
libxslt-python - update to 1.1.32-150000.3.28.1
libxslt-python-debugsource - update to 1.1.32-150000.3.28.1
libxslt-python-debuginfo - update to 1.1.32-150000.3.28.1
libxslt-help - addressed in versions 1.1.34-13, 1.1.37-7, 1.1.39-7
python2-libxslt - update to 1.1.34-13
libxslt-devel - addressed in versions 1.1.34-13, 1.1.37-7, 1.1.39-7
libxslt-debugsource - addressed in versions 1.1.34-13, 1.1.37-7, 1.1.39-7
libxslt-debuginfo - addressed in versions 1.1.34-13, 1.1.37-7, 1.1.39-7
libxslt - addressed in versions 1.1.34-13, 1.1.37-7, 1.1.39-7
libxslt-devel-32bit - update to 1.1.34-150400.3.13.1
libxslt1-32bit-debuginfo - update to 1.1.34-150400.3.13.1
libxslt1-64bit-debuginfo - update to 1.1.34-150400.3.13.1
libxslt-devel-64bit - update to 1.1.34-150400.3.13.1
libxslt1-64bit - update to 1.1.34-150400.3.13.1
python3-libxslt - addressed in versions 1.1.37-7, 1.1.39-7
libxslt-doc - update to 1.1.43-2
libxslt - update to 1.1.43-2
python3-libxslt - update to 1.1.43-2
libxslt-devel - update to 1.1.43-2

External References

Related Security Bulletins