CVE-2025-46656

Public Exploit

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.

Category

2.9
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.02%
Affected: python-markdownify python-markdownify
Published at:
Updated at:

References

Link Tags
https://github.com/matthewwithanm/python-markdownify/compare/0.14.0...0.14.1
https://github.com/matthewwithanm/python-markdownify/issues/143

Frequently Asked Questions

What is the severity of CVE-2025-46656?
CVE-2025-46656 has been scored as a low severity vulnerability.
How to fix CVE-2025-46656?
To fix CVE-2025-46656, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-46656 being actively exploited in the wild?
It is possible that CVE-2025-46656 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-46656?
CVE-2025-46656 affects python-markdownify python-markdownify.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.