ALAS-2025-909


Amazon Linux 2023 Security Advisory: ALAS-2025-909
Advisory Release Date: 2025-03-26 20:44 Pacific
Advisory Updated Date: 2025-04-01 11:34 Pacific
Severity: Important

Issue Overview:

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes. (CVE-2024-55549)

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. (CVE-2025-24855)


Affected Packages:

libxslt


Issue Correction:
Run dnf update libxslt --releasever 2023.7.20250331 to update your system.

New Packages:
aarch64:
    libxslt-debugsource-1.1.43-1.amzn2023.0.1.aarch64
    python3-libxslt-debuginfo-1.1.43-1.amzn2023.0.1.aarch64
    libxslt-devel-1.1.43-1.amzn2023.0.1.aarch64
    libxslt-debuginfo-1.1.43-1.amzn2023.0.1.aarch64
    python3-libxslt-1.1.43-1.amzn2023.0.1.aarch64
    libxslt-1.1.43-1.amzn2023.0.1.aarch64

src:
    libxslt-1.1.43-1.amzn2023.0.1.src

x86_64:
    libxslt-debugsource-1.1.43-1.amzn2023.0.1.x86_64
    libxslt-devel-1.1.43-1.amzn2023.0.1.x86_64
    libxslt-debuginfo-1.1.43-1.amzn2023.0.1.x86_64
    python3-libxslt-debuginfo-1.1.43-1.amzn2023.0.1.x86_64
    python3-libxslt-1.1.43-1.amzn2023.0.1.x86_64
    libxslt-1.1.43-1.amzn2023.0.1.x86_64