REDHAT-BUG-2352483: Use After Free
First published: Fri Mar 14 2025(Updated: )
numbers.c in libxslt before 1.1.43 has a use-after-free because, in nested XPath evaluations, an XPath context node can be modified but never restored. This is related to xsltNumberFormatGetValue, xsltEvalXPathPredicate, xsltEvalXPathStringNs, and xsltComputeSortResultInternal.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libxslt | <1.1.43 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2025:3107
- https://access.redhat.com/errata/RHSA-2025:3389
- https://access.redhat.com/errata/RHSA-2025:3528
- https://access.redhat.com/errata/RHSA-2025:3612
- https://access.redhat.com/errata/RHSA-2025:3615
- https://access.redhat.com/errata/RHSA-2025:3619
- https://access.redhat.com/errata/RHSA-2025:3626
- https://access.redhat.com/errata/RHSA-2025:3625
- https://access.redhat.com/errata/RHSA-2025:3624
- https://access.redhat.com/errata/RHSA-2025:3627
- https://bugzilla.redhat.com/show_bug.cgi?id=2352483
Frequently Asked Questions
What is the severity of REDHAT-BUG-2352483?
The severity of REDHAT-BUG-2352483 is classified as critical due to the use-after-free vulnerability in libxslt.
How do I fix REDHAT-BUG-2352483?
To fix REDHAT-BUG-2352483, update libxslt to version 1.1.43 or later.
Which versions of libxslt are affected by REDHAT-BUG-2352483?
Libxslt versions prior to 1.1.43 are affected by REDHAT-BUG-2352483.
What can be exploited in REDHAT-BUG-2352483?
REDHAT-BUG-2352483 can be exploited through nested XPath evaluations that modify the XPath context node.
What are the implications of not addressing REDHAT-BUG-2352483?
Failing to address REDHAT-BUG-2352483 may lead to potential memory corruption and security vulnerabilities in applications using libxslt.
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