Back to Database
Status published
Low
CVE-2025-46656
python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-46656
Credits & Attribution
No credits recorded in the NVD database.
Affected Vendor
python-markdownify
View all reports →Affected Software
python-markdownify
Vulnerable Versions:
0
Timeline
Official Publish:
April 26th, 2025
Last Modified:
April 29th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.