Description (CNA)
Mistune from 3.0.0 before 3.3.0 contains an algorithmic complexity denial of service vulnerability in the parse_link_text function in src/mistune/helpers.py. Attackers can submit markdown with deeply nested square brackets triggering quadratic parsing time, exhausting server CPU with small crafted requests.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| lepture / mistune | affected 3.0.0 before 3.3.0; unaffected 3.3.0 |
CWE
CWE-1333