RHSA-2024:9923 — Security Advisory

Red Hat Security Advisory: python3.12-urllib3 security update

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Severity

Moderate

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · November 19, 2024

Updated · October 23, 2026

Topic

An update for python3.12-urllib3 is now available for Red Hat Enterprise Linux 9.4 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: • Thread safety. • Connection pooling. • Client-side SSL/TLS verification. • File uploads with multipart encoding. • Helpers for retrying requests and dealing with HTTP redirects. • Support for gzip, deflate, brotli, and zstd encoding. • Proxy support for HTTP and SOCKS. • 100% test coverage.

Security Fix(es):

  • urllib3: proxy-authorization request header is not stripped during cross-origin redirects (CVE-2024-37891)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs

RHSA-2024:9923 — Red Hat Security Advisory: python3.12-urllib3 security update | PulseLinux