CVE-2021-32837
CVSS v3
7.5
HIGH
EPSS Score
28.9 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- mechanizePyPIall versions · fixed in 0.4.6
Vendor advisories
- CVE-2021-32837 Red Hat Product Security
mechanize: Regular Expression Denial of Service
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.
Technical details
- Published
- 2023-01-17
Frequently asked questions
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.