CVE-2025-46656CWE-1284

python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such as <h9999999> in addition to <h1> through <h6>

Low · published April 26, 2025

CVSS v3.1
2.9
EPSS
0%
Percentile
11.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
2.9 · LOW
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00220 · 11.9th percentile
Weakness
CWE-1284 · Improper Validation of Specified Quantity in Input
Published
2025-04-26T00:00Z
EPSS history
Timeline
  • 26 APR 00:00Z
    python-markdownify (aka markdownify) before 0.14.1 allows large headline prefixes such as <h9999999> in addition to <h1> through <h6>
    cvelistv5