SUSE-SU-2026:4704-1: important: Security update for python-urllib3
SLE-SECURITY-UPDATES
null at suse.de
Fri Oct 16 20:41:44 UTC 2026
# Security update for python-urllib3
Announcement ID: SUSE-SU-2026:4704-1
Release Date: 2026-10-16T13:31:23Z
Rating: important
References:
* bsc#1283908
* bsc#1283909
* bsc#1283910
Cross-References:
* CVE-2026-97687
* CVE-2026-97688
* CVE-2026-97689
CVSS scores:
* CVE-2026-97687 ( SUSE ): 9.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-97687 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-97687 ( NVD ): 7.6
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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-2026-97687 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
* CVE-2026-97688 ( 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-2026-97688 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-97688 ( NVD ): 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/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-2026-97688 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-97689 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-97689 ( 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-2026-97689 ( 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
* 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 High Performance Computing 15 SP5
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server 15 SP4 LTSS
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server 15 SP5 LTSS
* SUSE Linux Enterprise Server 15 SP6
* SUSE Linux Enterprise Server 15 SP6 LTSS
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
* 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
An update that solves three vulnerabilities can now be installed.
## Description:
This update for python-urllib3 fixes the following issues:
* CVE-2026-97687: traffic interception due to possible HTTPS proxy TLS
configuration override (bsc#1283908).
* CVE-2026-97688: denial of service due to infinite loop during chunked
Deflate decoding (bsc#1283909).
* CVE-2026-97689: denial of service due to unbounded memory allocation in
chunk parser (bsc#1283910).
## 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 Enterprise Server for SAP Applications 15 SP4
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-4704
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-4704
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-4704
* Public Cloud Module 15-SP4
zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-4704
* openSUSE Leap 15.4
zypper in -t patch SUSE-2026-4704
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-4704
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-4704
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-4704
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-4704
* SUSE Linux Enterprise Server 15 SP4 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-4704
* Python 3 Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-4704
* SUSE Linux Enterprise Server 15 SP5 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-4704
* SUSE Linux Enterprise Server 15 SP6 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-4704
## Package List:
* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* Public Cloud Module 15-SP4 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* openSUSE Leap 15.4 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* Python 3 Module 15-SP7 (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
* SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
* python311-urllib3-2.0.7-150400.7.36.1
## References:
* https://www.suse.com/security/cve/CVE-2026-97687.html
* https://www.suse.com/security/cve/CVE-2026-97688.html
* https://www.suse.com/security/cve/CVE-2026-97689.html
* https://bugzilla.suse.com/show_bug.cgi?id=1283908
* https://bugzilla.suse.com/show_bug.cgi?id=1283909
* https://bugzilla.suse.com/show_bug.cgi?id=1283910
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