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Debian python-urllib3 Important Cross-Origin Info Disclosure Fix DSA-6363-1

debian
Calendar Grey June 23, 2026
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Upgrade your python-urllib3 packages in Debian to prevent information disclosure due to unsanitized redirects.
It was discovered that the urllib3 Python HTTP library didn't sanitise some cross-origin redirects, which could result in information disclosure
Topics%20covered

Topics Covered

security advisory debian important information disclosure cross-origin python-urllib3

Summary

For the stable distribution (trixie), this problem has been fixed in
version 2.3.0-3+deb13u2.

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/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/



Severity
important
Lowest
Low
Medium
High
Critical

Package: python-urllib3
CVE ID: CVE-2026-44431

Topics%20covered

Topics Covered

security advisory debian important information disclosure cross-origin python-urllib3

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