CVE-2025-46656

LOW
2025-04-26 [email protected]
2.9
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

4
Analysis Generated
Mar 28, 2026 - 18:38 vuln.today
Patch Released
Mar 28, 2026 - 18:38 nvd
Patch available
PoC Detected
Oct 16, 2025 - 20:24 vuln.today
Public exploit code
CVE Published
Apr 26, 2025 - 22:15 nvd
LOW 2.9

Tags

Python Information Disclosure Markdownify

Description

python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such as <h9999999> in addition to <h1> through <h6>. This causes memory consumption.

Analysis

python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such as <h9999999> in addition to <h1> through <h6>. Rated low severity (CVSS 2.9), this vulnerability is no authentication required. Public exploit code available.

Technical Context

This vulnerability is classified under CWE-1284. python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such as <h9999999> in addition to <h1> through <h6>. This causes memory consumption. Affected products include: Matthewwithanm Markdownify. Version information: before 0.14.1.

Affected Products

Matthewwithanm Markdownify.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +14
POC: +20

Share

CVE-2025-46656 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy