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Vulnerabilities CVE-2025-7425

CVE-2025-7425

High
Open
TLP:CLEAR

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

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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.

Details

CVSS Score
7.8
EPSS Score
0.34%

26.6th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
Confidence
90%
Published
Jul 10, 2025
Last Modified
Aug 12, 2026
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