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openSUSE Python-urllib3 Moderate Resource Consumption Fix 2026-0255-1

suse
Calendar Grey January 23, 2026
Dist Suse Esm H88
Update for python-urllib3 resolves resource consumption issue in openSUSE with moderate severity. Software patched successfully.
An update that solves one vulnerability can now be installed.

Summary

## This update for python-urllib3 fixes the following issues: * CVE-2026-21441: Fixed excessive resource consumption during decompression of data in HTTP redirect responses (bsc#1256331) ## 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: * Python 3 Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-255=1 * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-255=1 * openSUSE Leap 15.6 zypper in -t patch openSUSE-SLE-15.6-2026-255=1 * Public Cloud Module 15-SP4 zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-255=1 ## Package List: * Python 3 Module 15-SP7 (noarch) * python311-urllib3-2.0.7-150400.7.24.1

Topics%20covered

Topics Covered

security advisory moderate resource consumption OpenSUSE python-urllib3 cve-2026-21441

References

* bsc#1256331

Cross-

* CVE-2026-21441

CVSS scores:

* CVE-2026-21441 ( SUSE ): 2.3

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

* CVE-2026-21441 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2026-21441 ( NVD ): 8.9

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-21441 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Announcement ID: SUSE-SU-2026:0255-1
Release Date: 2026-01-22T16:08:48Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate resource consumption OpenSUSE python-urllib3 cve-2026-21441

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