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OpenAdvisories
High ALAS2023-2026-1997 2 CVEs

Important: python3.13 security update (Amazon Linux 2023)

Published Aug 3, 2026 · Updated Aug 4, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-4360: In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function. CVE-2026-15308: The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.

Fixed packages 11

ReleasePackageFixed in
Amazon Linux · 2023 python3.13 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-debug 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-debuginfo 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-debugsource 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-devel 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-freethreading 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-freethreading-debug 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-idle 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-libs 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-test 0:3.13.14-1.amzn2023.0.3
Amazon Linux · 2023 python3.13-tkinter 0:3.13.14-1.amzn2023.0.3

Vulnerabilities 2

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-15308.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-4360.html