Amazon Linux 2023 Security Advisory: ALAS2023-2026-1843
Advisory Released Date: 2026-06-22
Advisory Updated Date: 2026-06-22
Severity:
Medium
Issue Overview:
urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed from the low-level API via ProxyManager.connection_from_url().urlopen(..., assert_same_host=False) still forward these sensitive headers. This vulnerability is fixed in 2.7.0. (CVE-2026-44431)
Affected Packages:
python-urllib3
Issue Correction:
Run dnf update python-urllib3 --releasever 2023.12.20260622 or dnf update --advisory ALAS2023-2026-1843 --releasever 2023.12.20260622 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
noarch:
python3-urllib3-1.25.10-5.amzn2023.0.7.noarch
src:
python-urllib3-1.25.10-5.amzn2023.0.7.src