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openSUSE Leap 16.0 python-urllib3 Important Fixes 2026-20127-1

opensuse
Calendar Grey February 3, 2026
Dist Opensuse Esm H88
Update for python-urllib3 on openSUSE fixes two important issues including resource exhaustion and bug repairs.
An update that solves 2 vulnerabilities and has 2 bug fixes can now be installed.

Description

This update for python-urllib3 fixes the following issues:

- CVE-2025-66471: Fixed excessive resource consumption via decompression

of highly compressed data in Streaming API (bsc#1254867)

- CVE-2025-66418: Fixed resource exhaustion via unbounded number of links

in the decompression chain (bsc#1254866)

Patch instructions:

To install this openSUSE security update use the suse recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

zypper in -t patch openSUSE-Leap-16.0-212=1

Topics%20covered

Topics Covered

security advisory bug fix important OpenSUSE resource exhaustion python-urllib3

Patch

Package List

- openSUSE Leap 16.0:

python313-urllib3-2.5.0-160000.4.1

References

* bsc#1254866

* bsc#1254867

References:

* https://www.suse.com/security/cve/CVE-2025-66418.html

* https://www.suse.com/security/cve/CVE-2025-66471.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20127-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory bug fix important OpenSUSE resource exhaustion python-urllib3

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