CVE-2025-46656Low· 2.9▾ Sunlitmarkdownify allows large headline prefixes such as <h9999999>, which causes memory consumption
▾ Sunlit zone — Low / medium · no exploitation signal
impact 16 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.2%
0.2% → 0.2%
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.
markdownify < 0.14.1Upgrade to a patched release:
markdownify 0.14.1