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SUSE Python311 Moderate Security Update 2026-0314-1 CVE-2025-12084

suse
Calendar Grey January 28, 2026
Dist Suse Esm H88
Moderate SUSE update for Python 3.11 resolves multiple security issues, enhancing system safety.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for python311 fixes the following issues: * CVE-2025-12084: prevent quadratic behavior in node ID cache clearing (bsc#1254997). * CVE-2025-13836: prevent reading an HTTP response from a server, if no read amount is specified, with using Content-Length per default as the length (bsc#1254400). * CVE-2025-13837: protect against OOM when loading malicious content (bsc#1254401). ## 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 15.6 zypper in -t patch SUSE-2026-314=1 openSUSE-SLE-15.6-2026-314=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-314=1 * Python 3 Module 15-SP7

Topics%20covered

Topics Covered

security advisory moderate security issue SuSE important python311

References

* bsc#1254400

* bsc#1254401

* bsc#1254997

Cross-

* CVE-2025-12084

* CVE-2025-13836

* CVE-2025-13837

CVSS scores:

* CVE-2025-12084 ( 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/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-2025-12084 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2025-12084 ( NVD ): 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/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-2025-12084 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2025-13836 ( SUSE ): 6.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0314-1
Release Date: 2026-01-28T13:28:57Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security issue SuSE important python311

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