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Low severity2.9NVD Advisory· Published Apr 26, 2025· Updated Jun 17, 2026

CVE-2025-46656

CVE-2025-46656

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
markdownifyPyPI	< 0.14.1	0.14.1

Affected products

3

Matthewwithanm/Markdownify
cpe:2.3:a:matthewwithanm:markdownify:*:*:*:*:*:python:*:*
Range: <0.14.1
ghsa-coords
pkg:pypi/markdownify
Range: < 0.14.1
python-markdownify/python-markdownifyv5
Range: 0

Patches

Vulnerability mechanics

References

5

github.com/matthewwithanm/python-markdownify/compare/0.14.0...0.14.1nvdPatchWEB
github.com/matthewwithanm/python-markdownify/issues/143nvdExploitWEB
github.com/advisories/GHSA-7mpr-5m44-h73rghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2025-46656ghsaADVISORY
github.com/matthewwithanm/python-markdownify/commit/959561879693bf4a576f99c6733b50b01186aa08ghsaWEB

News mentions

0

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