CVE-2020-27619
Publication date 22 October 2020
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via HTTP.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| python3.9 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | 
                                Not affected 
                                
                               | |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| python2.7 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | 
                                Not affected 
                                
                               | |
| 20.04 LTS focal | 
                                Not affected 
                                
                               | |
| 18.04 LTS bionic | 
                                Not affected 
                                
                               | |
| 16.04 LTS xenial | 
                                Not affected 
                                
                               | |
| 14.04 LTS trusty | 
                                Not affected 
                                
                               | |
| python3.8 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | 
                                Fixed 3.8.5-1~20.04.2 
                                
                               | |
| 18.04 LTS bionic | 
                                Fixed 3.8.0-3~18.04.1 
                                
                               | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| python3.4 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | 
                                Fixed 3.4.3-1ubuntu1~14.04.7+esm10 
                                
                                   | |
| python3.5 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | 
                                Fixed 3.5.2-2ubuntu0~16.04.13 
                                
                               | |
| 14.04 LTS trusty | 
                                Fixed 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1 
                                
                                   | |
| python3.6 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | 
                                Fixed 3.6.9-1~18.04ubuntu1.4 
                                
                               | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| python3.7 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | 
                                Fixed 3.7.5-2~18.04.4 
                                
                               | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | 
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| Package | Patch details | 
|---|---|
| python3.9 | 
 | 
| python3.8 | 
 | 
| python3.6 | 
 | 
| python3.7 | 
 | 
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score |  | 
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | High | 
| Integrity impact | High | 
| Availability impact | High | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-4754-1
- Python vulnerabilities
- 25 February 2021
- USN-4754-3
- Python vulnerabilities
- 12 March 2021
- USN-6891-1
- Python vulnerabilities
- 11 July 2024