Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2025-7425: 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.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | libxml2 | 0:2.9.1-6.amzn2.5.20 |
| Amazon Linux · 2 | libxml2-debuginfo | 0:2.9.1-6.amzn2.5.20 |
| Amazon Linux · 2 | libxml2-devel | 0:2.9.1-6.amzn2.5.20 |
| Amazon Linux · 2 | libxml2-python | 0:2.9.1-6.amzn2.5.20 |
| Amazon Linux · 2 | libxml2-static | 0:2.9.1-6.amzn2.5.20 |
Vulnerabilities 1
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High 7.8
Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptr
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 attr…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2025-7425.html