CVE-2016-5018
Publication date 28 October 2016
Last updated 18 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
In Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 a malicious web application was able to bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| tomcat7 | 25.10 questing | Not in release | 
| 25.04 plucky | Not in release | |
| 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 affected 
                                
                               | |
| 16.04 LTS xenial | 
                                Fixed 7.0.68-1ubuntu0.3 
                                
                               | |
| 14.04 LTS trusty | 
                                Fixed 7.0.52-1ubuntu0.8 
                                
                               | |
| tomcat6 | 25.10 questing | Not in release | 
| 25.04 plucky | Not in release | |
| 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 affected 
                                
                               | |
| 14.04 LTS trusty | 
                                Vulnerable 
                                
                               | |
| tomcat8 | 25.10 questing | Not in release | 
| 25.04 plucky | Not in release | |
| 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 affected 
                                
                               | |
| 16.04 LTS xenial | 
                                Fixed 8.0.32-1ubuntu1.3 
                                
                               | |
| 14.04 LTS trusty | Not in release | |
Patch details
| Package | Patch details | 
|---|---|
| tomcat7 | |
| tomcat6 | |
| tomcat8 | 
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 | None | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | 
References
Related Ubuntu Security Notices (USN)
- USN-3177-1
- Tomcat vulnerabilities
- 23 January 2017
- USN-4557-1
- Tomcat vulnerabilities
- 30 September 2020