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

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Remediation

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Tracking

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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