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OpenAdvisories
High RHSA-2025:15800 1 CVE

Red Hat Security Advisory: python3.9 security update

Published Sep 16, 2025 · Updated Sep 7, 2026

Fixed packages 17

ReleasePackageFixed in
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream python-unversioned-command 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream python3-devel 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream python3-tkinter 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream python3.9-debuginfo 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::appstream python3.9-debugsource 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos python3 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos python3-libs 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos python3.9 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos python3.9-debuginfo 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::baseos python3.9-debugsource 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb python3 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb python3-debug 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb python3-idle 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb python3-test 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb python3-tkinter 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb python3.9-debuginfo 0:3.9.18-3.el9_4.9
Red Hat · RHEL 9.4 EUS rhel_eus:9.4::crb python3.9-debugsource 0:3.9.18-3.el9_4.9

Vulnerabilities 1

  • High 7.5

    Tarfile infinite loop during parsing with negative member offset

    There is a defect in the CPython “tarfile” module affecting the “TarFile” extraction and entry enumeration APIs. The tar implementation would process tar archives with negative offsets without error, resulting in an infinite loop and deadlock during the parsi…

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2384043
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_15800.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-8194
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-8194
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-8194
  • article
    https://github.com/python/cpython/issues/130577
  • article
    https://github.com/python/cpython/pull/137027
  • article
    https://mail.python.org/archives/list/security-announce@python.org/thread/ZULLF3IZ726XP5EY7XJ7YIN3K5MDYR2D/