CVE-2021-32837 Information

Description

mechanize a library for automatically interacting with HTTP web servers contains a regular expression that is vulnerable to regular expression denial of service (ReDoS) prior to version 0.4.6. If a web server responds in a malicious way then mechanize could crash. Version 0.4.6 has a patch for the issue.

Reference

https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/ https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6 https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879 https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879 https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6