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OpenAdvisories
High ELSA-2026-11062 2 CVEs

Important: python3.11 security update (Oracle Linux 8)

Published Apr 27, 2026 · Updated Apr 27, 2026

Summary

[3.11.13-7.0.1]
- Update rpm-macros description [Orabug: 36024572]

[3.11.13-7]
- Security fixes for CVE-2026-4786, CVE-2026-6100
Resolves: RHEL-168129, RHEL-167891

Fixed packages 8

ReleasePackageFixed in
Oracle Linux · 8 python3.11 0:3.11.13-7.0.1.el8_10
Oracle Linux · 8 python3.11-debug 0:3.11.13-7.0.1.el8_10
Oracle Linux · 8 python3.11-devel 0:3.11.13-7.0.1.el8_10
Oracle Linux · 8 python3.11-idle 0:3.11.13-7.0.1.el8_10
Oracle Linux · 8 python3.11-libs 0:3.11.13-7.0.1.el8_10
Oracle Linux · 8 python3.11-rpm-macros 0:3.11.13-7.0.1.el8_10
Oracle Linux · 8 python3.11-test 0:3.11.13-7.0.1.el8_10
Oracle Linux · 8 python3.11-tkinter 0:3.11.13-7.0.1.el8_10

Vulnerabilities 2

  • Critical 9.1

    Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressure

    Use-after-free (UAF) was possible in the `lzma.LZMADecompressor`, `bz2.BZ2Decompressor`, and `gzip.GzipFile` when a memory allocation fails with a `MemoryError` and the decompression instance is re-used. This scenario can be triggered if the process is under …

  • High 7.0

    Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()

    Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.