Skip to content
OpenAdvisories
Medium ALAS2023-2025-1356 3 CVEs

Moderate: python3.11 security update (Amazon Linux 2023)

Published Jan 7, 2026 · Updated Jan 7, 2026

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2025-13837: When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues CVE-2025-13836: When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This allows a malicious server to cause the client to read large amounts of data into memory, potentially causing OOM or other DoS. 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 9

ReleasePackageFixed in
Amazon Linux · 2023 python3.11 0:3.11.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.11-debug 0:3.11.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.11-debuginfo 0:3.11.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.11-debugsource 0:3.11.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.11-devel 0:3.11.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.11-idle 0:3.11.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.11-libs 0:3.11.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.11-test 0:3.11.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.11-tkinter 0:3.11.14-1.amzn2023.0.3

Vulnerabilities 3

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-12084.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-13836.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-13837.html