Amazon Linux 2 Security Advisory: ALAS2-2025-2938
Advisory Released Date: 2025-07-30
Advisory Updated Date: 2025-07-30
Severity:
Important
Issue Overview:
libxml: Heap use after free (UAF) leads to Denial of service (DoS) (CVE-2025-49794)
libxml: Type confusion leads to Denial of service (DoS) (CVE-2025-49796)
Affected Packages:
libxml2
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libxml2 or yum update --advisory ALAS2-2025-2938 to update your system.
New Packages:
aarch64:
libxml2-2.9.1-6.amzn2.5.19.aarch64
libxml2-devel-2.9.1-6.amzn2.5.19.aarch64
libxml2-static-2.9.1-6.amzn2.5.19.aarch64
libxml2-python-2.9.1-6.amzn2.5.19.aarch64
libxml2-debuginfo-2.9.1-6.amzn2.5.19.aarch64
i686:
libxml2-2.9.1-6.amzn2.5.19.i686
libxml2-devel-2.9.1-6.amzn2.5.19.i686
libxml2-static-2.9.1-6.amzn2.5.19.i686
libxml2-python-2.9.1-6.amzn2.5.19.i686
libxml2-debuginfo-2.9.1-6.amzn2.5.19.i686
src:
libxml2-2.9.1-6.amzn2.5.19.src
x86_64:
libxml2-2.9.1-6.amzn2.5.19.x86_64
libxml2-devel-2.9.1-6.amzn2.5.19.x86_64
libxml2-static-2.9.1-6.amzn2.5.19.x86_64
libxml2-python-2.9.1-6.amzn2.5.19.x86_64
libxml2-debuginfo-2.9.1-6.amzn2.5.19.x86_64