CVE-2021-32838High· 7.5▾ TwilightRegular Expression Denial of Service in flask-restx
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.4 · 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
1.8%
1.8% → 1.9%
Flask RESTX contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service) in email_regex.
flask-restx < 0.5.1Upgrade to a patched release:
flask-restx 0.5.1