CVE-2025-46656 – markdownify

Package

Manager: pip
Name: markdownify
Vulnerable Version: >=0 <0.14.1

Severity

Level: Low

CVSS v3.1: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v4.0: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

EPSS: 0.00037 pctl0.1008

Details

markdownify allows large headline prefixes such as <h9999999>, which causes memory consumption 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.

Metadata

Created: 2025-04-27T00:30:34Z
Modified: 2025-04-28T14:34:51Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-7mpr-5m44-h73r/GHSA-7mpr-5m44-h73r.json
CWE IDs: ["CWE-1284"]
Alternative ID: GHSA-7mpr-5m44-h73r
Finding: F184
Auto approve: 1