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SUSE-SU-2026:2949-1

Опубликовано: 14 июл. 2026
Источник: suse-cvrf

Описание

Security update for python-mistune

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).

Список пакетов

SUSE Linux Enterprise Module for Python 3 15 SP7
python311-mistune-2.0.5-150400.11.8.1

Ссылки

Описание

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, render_toc_ul() builds a <ul> table-of-contents tree from a list of (level, id, text) tuples. Both the id value (used as href="#<id>") and the text value (used as the visible link label) are inserted into <a> tags via a plain Python format string - with no HTML escaping applied to either value. When heading IDs are derived from user-supplied heading text (the standard use-case for readable slug anchors), an attacker can craft a heading whose text breaks out of the href="#..." attribute context, injecting arbitrary HTML tags including <script> blocks directly into the rendered TOC. This vulnerability is fixed in 3.2.1.

Затронутые продукты
SUSE Linux Enterprise Module for Python 3 15 SP7:python311-mistune-2.0.5-150400.11.8.1
Ссылки