SUSE-SU-2025:02038-1: moderate: Security update for python3

[SLE-UPDATES]

# Security update for python3

Announcement ID: SUSE-SU-2025:02038-1  
Release Date: 2025-06-20T09:40:38Z  
Rating: moderate  
References:

  * bsc#1233012
  * bsc#1243273
  * bsc#1244401

  
Cross-References:

  * CVE-2025-4516

  
CVSS scores:

  * CVE-2025-4516 ( SUSE ):  5.9
    CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/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-2025-4516 ( SUSE ):  5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-4516 ( NVD ):  5.9
    CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/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

  
Affected Products:

  * SUSE Linux Enterprise Micro 5.1

  
  
An update that solves one vulnerability and has two security fixes can now be
installed.

## Description:

This update for python3 fixes the following issues:

  * CVE-2025-4516: CPython DecodeError Handling Vulnerability (bsc#1243273)

Other fixes: \- Add python36-* provides/obsoletes to enable SLE-12 -> SLE-15
migration (bsc#1233012) \- Update vendored ipaddress module to 3.8 equivalent \-
Limit buffer size for IPv6 address parsing (bsc#1244401).

## 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 Micro 5.1  
    zypper in -t patch SUSE-SUSE-MicroOS-5.1-2025-2038=1

## Package List:

  * SUSE Linux Enterprise Micro 5.1 (aarch64 s390x x86_64)
    * libpython3_6m1_0-3.6.15-150000.3.179.1
    * python3-debugsource-3.6.15-150000.3.179.1
    * python3-base-debuginfo-3.6.15-150000.3.179.1
    * python3-3.6.15-150000.3.179.1
    * libpython3_6m1_0-debuginfo-3.6.15-150000.3.179.1
    * python3-base-3.6.15-150000.3.179.1
    * python3-core-debugsource-3.6.15-150000.3.179.1
    * python3-debuginfo-3.6.15-150000.3.179.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-4516.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1233012
  * https://bugzilla.suse.com/show_bug.cgi?id=1243273
  * https://bugzilla.suse.com/show_bug.cgi?id=1244401

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