RHSA-2026:28158HighCVSS 7.5

Red Hat Security Advisory: python-urllib3 security update

Published
June 23, 2026
Last Modified
October 8, 2026

🔗 CVE IDs covered (2)

📋 Description

CVE-2026-44431 — urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers CVE-2026-44432 — urllib3: urllib3: Denial of Service due to excessive HTTP response decompression

🎯 Affected products3

  • Red Hat Enterprise Linux BaseOS (v. 9)
  • python-urllib3-0:1.26.5-8.el9_8.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • python3-urllib3-0:1.26.5-8.el9_8.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 9)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (7)