CVE-2025-46656: python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such as in addition to through . This causes memory consumption.

2.9 CVSS

Description

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

Classification

CVE ID: CVE-2025-46656

CVSS Base Severity: LOW

CVSS Base Score: 2.9

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

Problem Types

CWE-1284 Improper Validation of Specified Quantity in Input

Affected Products

Vendor: python-markdownify

Product: python-markdownify

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 4.58% (scored less or equal to compared to others)

EPSS Date: 2025-05-25 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-46656
https://github.com/matthewwithanm/python-markdownify/compare/0.14.0...0.14.1
https://github.com/matthewwithanm/python-markdownify/issues/143

Timeline