CVE-2021-32837CWE-1333

mechanize vulnerable to ReDoS

High · published January 17, 2023

CVSS v3.1

7.5

EPSS

29%

Percentile

98.2

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 7.5 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0: Not supplied
EPSS: 0.28872 · 98.2th percentile
Weakness: CWE-1333 · Inefficient Regular Expression Complexity
Published: 2023-01-17T00:00Z

EPSS history

Timeline

17 JAN 00:00Z
mechanize vulnerable to ReDoS
cvelistv5