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.
Published: 2025-04-26
Score: 2.9 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-12476 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.
Github GHSA Github GHSA GHSA-7mpr-5m44-h73r markdownify allows large headline prefixes such as <h9999999>, which causes memory consumption
History

Thu, 16 Oct 2025 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Matthewwithanm
Matthewwithanm markdownify
CPEs cpe:2.3:a:matthewwithanm:markdownify:*:*:*:*:*:python:*:*
Vendors & Products Matthewwithanm
Matthewwithanm markdownify

Tue, 29 Apr 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sat, 26 Apr 2025 21:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1284
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Sat, 26 Apr 2025 21:30:00 +0000

Type Values Removed Values Added
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.
References

Subscriptions

Matthewwithanm Markdownify
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-04-29T15:22:30.630Z

Reserved: 2025-04-26T00:00:00.000Z

Link: CVE-2025-46656

cve-icon Vulnrichment

Updated: 2025-04-29T14:57:08.822Z

cve-icon NVD

Status : Analyzed

Published: 2025-04-26T22:15:17.260

Modified: 2025-10-16T20:24:26.727

Link: CVE-2025-46656

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses