Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2025-12084: When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic. Availability can be impacted when building excessively nested documents.
Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | python | 0:2.7.18-1.amzn2.0.15 |
| Amazon Linux · 2 | python-debug | 0:2.7.18-1.amzn2.0.15 |
| Amazon Linux · 2 | python-debuginfo | 0:2.7.18-1.amzn2.0.15 |
| Amazon Linux · 2 | python-devel | 0:2.7.18-1.amzn2.0.15 |
| Amazon Linux · 2 | python-libs | 0:2.7.18-1.amzn2.0.15 |
| Amazon Linux · 2 | python-test | 0:2.7.18-1.amzn2.0.15 |
| Amazon Linux · 2 | python-tools | 0:2.7.18-1.amzn2.0.15 |
| Amazon Linux · 2 | tkinter | 0:2.7.18-1.amzn2.0.15 |
Vulnerabilities 1
-
Medium 6.3
Quadratic complexity in node ID cache clearing
When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic. Availability can be impacted when building excessively nested documents.
References
-
web
https://alas.aws.amazon.com/cve/html/CVE-2025-12084.html