SUSE: python36 Moderate DoS Availability Issues Fix 2025:4539-1
suse
December 31, 2025
An update that solves three vulnerabilities can now be installed.
Summary
## This update for python36 fixes the following issues: * CVE-2025-12084: quadratic complexity when building nested elements using `xml.dom.minidom` methods that depend on `_clear_id_cache()` can lead to availability issues when building excessively nested documents (bsc#1254997). * CVE-2025-13836: use of `Content-Length` by default when reading an HTTP response with no read amount specified can lead to OOM issues and DoS when a client deals with a malicious server (bsc#1254400). * CVE-2025-13837: data read by the plistlib module according to the size specified by the file itself can lead to OOM issues and DoS (bsc#1254401). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Topics Covered
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
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Announcement ID: SUSE-SU-2025:4539-1
Release Date: 2025-12-31T15:05:34Z
Rating: moderate
Topics Covered
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