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OpenAdvisories
Medium RHSA-2026:74922 1 CVE

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Published Oct 3, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 7

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 python3.12 0:3.12.15-1.hum1
Red Hat · Hardened Images 1 hummingbird:1 python3.12-debug 0:3.12.15-1.hum1
Red Hat · Hardened Images 1 hummingbird:1 python3.12-devel 0:3.12.15-1.hum1
Red Hat · Hardened Images 1 hummingbird:1 python3.12-idle 0:3.12.15-1.hum1
Red Hat · Hardened Images 1 hummingbird:1 python3.12-libs 0:3.12.15-1.hum1
Red Hat · Hardened Images 1 hummingbird:1 python3.12-test 0:3.12.15-1.hum1
Red Hat · Hardened Images 1 hummingbird:1 python3.12-tkinter 0:3.12.15-1.hum1

Vulnerabilities 1

  • Medium 5.9
    CVE-2026-12345 Public exploit

    Race condition in tempfile.TemporaryDirectory cleanup allows deleting files outside the temporary directory

    The cleanup of tempfile.TemporaryDirectory is vulnerable to a race condition. An attacker who can modify the tree during cleanup can replace a directory with a symbolic link, causing files outside of the temporary directory to be deleted or have their permiss…

    Python Software Foundation CPython tensorflow python3.4 Debian Ubuntu Azure Linux Alpine Wolfi

References

  • article
    https://images.redhat.com/
  • report
    https://access.redhat.com/security/cve/CVE-2026-12345
  • article
    https://access.redhat.com/security/updates/classification/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_74922.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2543492
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-12345
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-12345
  • article
    https://github.com/python/cpython/commit/5c20517a4fc56683efe63a7751020db9573f538d
  • article
    https://github.com/python/cpython/issues/157579
  • article
    https://github.com/python/cpython/pull/157580