openSUSE urllib3-Critical Memory Leak Issue-2026-0367-2
opensuse
February 3, 2026
An update that solves two vulnerabilities can now be installed.
Description
This update for python-urllib3 fixes the following issues:
* CVE-2025-66471: excessive resource consumption via decompression of highly
compressed data in Streaming API (bsc#1254867).
* CVE-2025-66418: resource exhaustion via unbounded number of links in the
decompression chain (bsc#1254866).
Topics Covered
Patch
## Patch Instructions:
To install this SUSE 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 15.4
zypper in -t patch SUSE-2026-367=1
* openSUSE Leap 15.6
zypper in -t patch openSUSE-SLE-15.6-2026-367=1
* Public Cloud Module 15-SP4
zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-367=1
* Python 3 Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-367=1
Package List
* openSUSE Leap 15.4 (noarch)
* python311-urllib3-2.0.7-150400.7.27.1
* openSUSE Leap 15.6 (noarch)
* python311-urllib3-2.0.7-150400.7.27.1
* Public Cloud Module 15-SP4 (noarch)
* python311-urllib3-2.0.7-150400.7.27.1
* Python 3 Module 15-SP7 (noarch)
* python311-urllib3-2.0.7-150400.7.27.1
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
* https://bugzilla.suse.com/show_bug.cgi?id=1254866
* https://bugzilla.suse.com/show_bug.cgi?id=1254867
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Announcement ID: SUSE-SU-2026:0367-1
Release Date: 2026-02-03T13:09:51Z
Affected Products:
* openSUSE Leap 15.4
* openSUSE Leap 15.6
* Public Cloud Module 15-SP4
* Python 3 Module 15-SP7
* SUSE Linux Enterprise Desktop 15 SP7
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP7
* SUSE Manager Proxy 4.3
* SUSE Manager Retail Branch Server 4.3
* SUSE Manager Server 4.3
Topics Covered
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