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.
Published: 2023-01-17
Score: 7.5 High
EPSS: 2.8% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-3460-1 python-mechanize security update
Debian DLA Debian DLA DLA-4418-1 python-mechanize security update
EUVD EUVD EUVD-2023-0144 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.
Github GHSA Github GHSA GHSA-g3pv-pj5f-3hfq mechanize Regular Expression Denial of Service vulnerability
History

Mon, 22 Dec 2025 02:30:00 +0000

Type Values Removed Values Added
References

Mon, 10 Mar 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Mechanize Project Mechanize
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-12-22T01:32:19.985Z

Reserved: 2021-05-12T00:00:00.000Z

Link: CVE-2021-32837

cve-icon Vulnrichment

Updated: 2025-12-22T01:32:19.985Z

cve-icon NVD

Status : Modified

Published: 2023-01-17T22:15:10.533

Modified: 2025-12-22T02:16:01.123

Link: CVE-2021-32837

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses