Denial of service could be caused to the command line interface of markdown-it-py, before v2.2.0, if an attacker was allowed to use invalid UTF-8 characters as input.
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This low-severity CVE scores 3.3 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 65% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Denial of service could be caused to the command line interface of markdown-it-py, before v2.2.0, if an attacker was allowed to use invalid UTF-8 characters as input.
February 22, 2023
February 25, 2026
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| markdown-it-py | 0.1.0 ... 2.1.0 (40 versions) | 2.2.0 | — |
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