Type Confusion via Shared psvi Field in libxslt XML Transform
CVE-2025-7424 Published on July 10, 2025
Libxslt: type confusion in xmlnode.psvi between stylesheet and source nodes
A flaw was found in the libxslt library. The same memory field, psvi, is used for both stylesheet and input data, which can lead to type confusion during XML transformations. This vulnerability allows an attacker to crash the application or corrupt memory. In some cases, it may lead to denial of service or unexpected behavior.
Vulnerability Analysis
CVE-2025-7424 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Timeline
Reported to Red Hat.
Made public.
Weakness Type
What is an Object Type Confusion Vulnerability?
The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
CVE-2025-7424 has been classified to as an Object Type Confusion vulnerability or weakness.
Products Associated with CVE-2025-7424
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Affected Versions
GNOME libxslt:- Before 1.1.44 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.