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CVE-2025-7425

Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptr

Published: Jul 10, 2025Updated: May 12, 2026 Sources: CVE List NVD BDU csafCWE-416
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.3%
Top 79.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was found in libxslt where the attribute type, atype, flags are modified in a way that corrupts internal memory management. When XSLT functions, such as the key() process, result in tree fragments, this corruption prevents the proper cleanup of ID attributes. As a result, the system may access freed memory, causing crashes or enabling attackers to trigger heap corruption.

CVSS Vector Breakdown

AV:LAC:HPR:NUI:NS:CC:NI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

libxml2GNOME
On-prem
Consumer Software / productivity
Red Hat Enterprise Linux 10Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat
On-premOS
Operating Systems / linux-distro
gnomeoss-projectUSConsumer Softwareaka gnome project, glib
red hatcommercialUSOperating Systemsaka red hat
and 34 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/RHBA-2025:12345
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:12447
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:12450
access.redhat.com
and 120 more references View all →

Timeline

Published
Jul 10, 2025
Last Updated
May 12, 2026

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