SUSE-SU-2026:2949-1: moderate: Security update for python-mistune

[SLE-UPDATES]

# Security update for python-mistune

Announcement ID: SUSE-SU-2026:2949-1  
Release Date: 2026-07-14T09:23:51Z  
Rating: moderate  
References:

  * bsc#1265052

  
Cross-References:

  * CVE-2026-44898

  
CVSS scores:

  * CVE-2026-44898 ( SUSE ):  5.3
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
  * CVE-2026-44898 ( SUSE ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-44898 ( NVD ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

  
Affected Products:

  * openSUSE Leap 15.4
  * Python 3 Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-mistune fixes the following issue

  * CVE-2026-44898: improper sanitization of user-supplied HTML input in
    `render_toc_ul` can lead to XSS (bsc#1265052).

## 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:

  * Python 3 Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-2949=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-2949=1

## Package List:

  * Python 3 Module 15-SP7 (noarch)
    * python311-mistune-2.0.5-150400.11.8.1
  * openSUSE Leap 15.4 (noarch)
    * python311-mistune-2.0.5-150400.11.8.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-44898.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1265052

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