Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through...
Moderate severity
Unreviewed
Published
May 24, 2022
to the GitHub Advisory Database
•
Updated May 24, 2023
Description
Published by the National Vulnerability Database
Jan 30, 2020
Published to the GitHub Advisory Database
May 24, 2022
Last updated
May 24, 2023
Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
References