Ubuntu 22.04 Python Requests Performance Issues Need Attention Soon
suse
February 27, 2026
An update that solves two vulnerabilities can now be installed.
Summary
## 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). ## 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 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-404=1 ## Package List: * SUSE Linux Micro 6.1 (noarch) * python311-urllib3-2.1.0-slfo.1.1_4.1
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
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Announcement ID: SUSE-SU-2026:20485-1
Release Date: 2026-02-17T09:35:58Z
Rating: moderate
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