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.
Scores
CVSS v3
2.9
EPSS
0.0007
EPSS Percentile
21.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1284
Status
published
Products (2)
matthewwithanm/markdownify
< 0.14.1
pypi/markdownify
0 - 0.14.1PyPI
Published
Apr 26, 2025
Tracked Since
Feb 18, 2026