Debian: python-urllib3 Important Denial of Service DSA-6102-1
debian
January 17, 2026
Several vulnerabilities were discovered in python-urllib3, a HTTP library with thread-safe connection pooling for Python3, which could result in denial of service or request forger...
Topics Covered
Summary
For the oldstable distribution (bookworm), these problems have been fixed
in version 1.26.12-1+deb12u2.
For the stable distribution (trixie), these problems have been fixed in
version 2.3.0-3+deb13u1.
We recommend that you upgrade your python-urllib3 packages.
For the detailed security status of python-urllib3 please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/source-package/python-urllib3
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
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Severity
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Package: python-urllib3
CVE ID: CVE-2025-50181 CVE-2025-66418 CVE-2026-21441
Topics Covered
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