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CVE-2025-11731

Libxslt: type confusion in exsltfuncresultcompfunction of libxslt

Published: Oct 14, 2025Updated: Apr 27, 2026 Sources: CVE List NVD BDUCWE-843
NVD MITRE
3.1CVSSLOW
EPSS Score
0.3%
Top 83.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was found in the exsltFuncResultComp() function of libxslt, which handles EXSLT <func:result> elements during stylesheet parsing. Due to improper type handling, the function may treat an XML document node as a regular XML element node, resulting in a type confusion. This can cause unexpected memory reads and potential crashes. While difficult to exploit, the flaw could lead to application instability or denial of service.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:RS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-843

Affected Products

Red Hat Hardened ImagesRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 10Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 6Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 7Red Hat
On-premOS
Operating Systems / linux-distro
red hatcommercialUSOperating Systemsaka red hat
and 6 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2026:11015
access.redhat.com
https://access.redhat.com/security/cve/CVE-2025-11731
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2403688
bugzilla.redhat.com
and 10 more references View all →

Timeline

Published
Oct 14, 2025
Last Updated
Apr 27, 2026

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