RHSA-2026:54554HighCVSS 7.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Published
August 13, 2026
Last Modified
August 13, 2026

🔗 CVE IDs covered (5)

CVE-2026-4360 →CVE-2026-6879 →CVE-2026-11940 →CVE-2026-11972 →CVE-2026-15308 →

📋 Description

CVE-2026-4360 — python: Python Tarfile: Unexpected file ownership when extracting hardlinks CVE-2026-6879 — python: Python: Performance degradation in XML processing due to quadratic time complexity CVE-2026-11940 — python: cpython: CPython: tarfile extraction filter bypass allows escaping the destination directory CVE-2026-11972 — python: Python tarfile module: Denial of Service via improper EOF handling in streaming mode CVE-2026-15308 — python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations

🎯 Affected products4

  • Red Hat Hardened Images
  • python3-13-main@aarch64 as a component of Red Hat Hardened Images
  • python3-13-main@src as a component of Red Hat Hardened Images
  • python3-13-main@x86_64 as a component of Red Hat Hardened Images

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: Avoid using tarfile streaming mode (mode='r|') with untrusted tar archives. Use the standard file-based mode (mode='r') instead where possible. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (9)