vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-3426): Python vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:A/AC:L/Au:S/C:P/I:N/A:N) | May 4, 2021 | Mar 29, 2022 | Apr 16, 2026 |
Severity
3
CVSS
(AV:A/AC:L/Au:S/C:P/I:N/A:N)
Published
May 4, 2021
Added
Mar 29, 2022
Modified
Apr 16, 2026
Description
There's a flaw in Python 3's pydoc. A local or adjacent attacker who discovers or is able to convince another local or adjacent user to start a pydoc server could access the server and use it to disclose sensitive information belonging to the other user that they would not normally be able to access. The highest risk of this flaw is to data confidentiality. This flaw affects Python versions before 3.8.9, Python versions before 3.9.3 and Python versions before 3.10.0a7.
Solutions
ubuntu-pro-upgrade-python3-6ubuntu-pro-upgrade-python3-6-minimalubuntu-pro-upgrade-python3-7ubuntu-pro-upgrade-python3-7-minimalubuntu-pro-upgrade-python3-8ubuntu-pro-upgrade-python3-8-minimalubuntu-upgrade-python2-7ubuntu-upgrade-python2-7-minimalubuntu-upgrade-python3-6ubuntu-upgrade-python3-6-minimal
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.