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SUSE Linux Micro 6.2 Updates Introduce Essential Fix for Python-urllib3

suse
Calendar Grey February 2, 2026
Dist Suse Esm H88
Critical security update for SUSE Python urllib3 addressing resource exhaustion and excessive consumption vulnerabilities.
An update that solves two vulnerabilities can now be installed.

Summary

## 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 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: * SUSE Linux Micro 6.2 zypper in -t patch SUSE-SL-Micro-6.2-212=1 ## Package List: * SUSE Linux Micro 6.2 (noarch) * python313-urllib3-2.5.0-160000.4.1

Topics%20covered

Topics Covered

security advisory SuSE important resource exhaustion python-urllib3 excessive consumption

References

* bsc#1254866

* bsc#1254867

Cross-

* CVE-2025-66418

* CVE-2025-66471

CVSS scores:

* CVE-2025-66418 ( SUSE ): 6.9

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

* CVE-2025-66418 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2025-66418 ( 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-2025-66418 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-66471 ( SUSE ): 6.3

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

* CVE-2025-66471 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2025-66471 ( NVD ): 8.9

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20175-1
Release Date: 2026-01-29T14:48:50Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important resource exhaustion python-urllib3 excessive consumption

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