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python-restx/flask-restx · Security

Regular Expression Denial of Service in flask-restx

GHSA ID
GHSA-3q6g-vf58-7m4g
CVE ID
CVE-2021-32838
Severity
high
Published
Updated
CVSS
7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3
7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

Flask RESTX contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service) in email_regex.

CWEs

  • CWE-400 · Uncontrolled Resource Consumption
  • CWE-1333 · Inefficient Regular Expression Complexity

References