UBUNTU-CVE-2021-32837
- Source
- https://ubuntu.com/security/CVE-2021-32837
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-32837.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-32837
- Upstream
- Published
- 2023-01-17T22:15:00Z
- Modified
- 2025-07-18T16:46:49Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Ubuntu - medium
- Summary
- [none]
- Details
-
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.
- References
-
- https://ubuntu.com/security/CVE-2021-32837
- https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/
- 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
- https://www.cve.org/CVERecord?id=CVE-2021-32837
Affected packages
Ubuntu:Pro:16.04:LTS / python-mechanize
Package
- Name
- python-mechanize
- Purl
- pkg:deb/ubuntu/python-mechanize@1:0.2.5-3?arch=source&distro=esm-apps/xenial
Ubuntu:Pro:18.04:LTS / python-mechanize
Package
- Name
- python-mechanize
- Purl
- pkg:deb/ubuntu/python-mechanize@1:0.2.5-3?arch=source&distro=esm-apps/bionic