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Search Parameters:
  • Results Type: Overview
  • Keyword (text search): cpe:2.3:a:python:urllib3:1.25.11:*:*:*:*:*:*:*
  • CPE Name Search: true
There are 1 matching records.
Displaying matches 1 through 1.
Vuln ID Summary CVSS Severity
CVE-2021-33503

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.

Published: June 29, 2021; 7:15:07 AM -0400
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM