SUSE-SU-2026:21858-1 Security update for python-mistune

This update for python-mistune fixes the following issues - CVE-2026-33079: ReDoS in LINKTITLERE can lead to denial of service via a crafted Markdown bsc1264347. - CVE-2026-33441: processing of malformed reference links can lead to excessive resource consumption and denial of service bsc1264752. ...

OPENSUSE-SU-2026:20827-1 Security update for python-mistune

This update for python-mistune fixes the following issues - CVE-2026-33079: ReDoS in LINKTITLERE can lead to denial of service via a crafted Markdown bsc1264347. - CVE-2026-33441: processing of malformed reference links can lead to excessive resource consumption and denial of service bsc1264752. ...

Mistune Image Directive CSS Injection Vulnerability

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Linux Distros Unpatched Vulnerability : CVE-2026-44899

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a reg...

CVE-2026-44896

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and earlier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...

CVE-2026-44899

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

PYSEC-2026-2209

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

DEBIAN-CVE-2026-44896

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and earlier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...

DEBIAN-CVE-2026-44899

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

PYSEC-2026-2209

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:\.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly...

PYSEC-2026-168

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and realier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...

CVE-2026-44899

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

UBUNTU-CVE-2026-44896

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and earlier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...

CVE-2026-44899

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44899

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44899

CVE-2026-44899 – Mistune Image Directive CSS Injection exploits a prefix-only regex in the Image directive’s width/height validation. Before 3.2.1, values starting with digits (e.g., 100vw;…) pass _num_re.match() and are written into style="width:...;" or style="height:...;" without escaping, ena...

CVE-2026-44899 Mistune Image Directive CSS Injection Vulnerability

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44899 Mistune Image Directive CSS Injection Vulnerability

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44899 Mistune Image Directive CSS Injection Vulnerability

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

EUVD-2026-31992

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...