CVE-2018-5160
Publication date 11 May 2018
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
WebRTC can use a "WrappedI420Buffer" pixel buffer but the owning image object can be freed while it is still in use. This can result in the WebRTC encoder using uninitialized memory, leading to a potentially exploitable crash. This vulnerability affects Firefox < 60.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| firefox | 18.04 LTS bionic | 
                              
                               
                                Fixed 60.0+build2-0ubuntu1 
                                
                               
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| 16.04 LTS xenial | 
                              
                               
                                Fixed 60.0+build2-0ubuntu0.16.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 60.0+build2-0ubuntu0.14.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | None | 
| Integrity impact | None | 
| Availability impact | High | 
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-3645-1
 - Firefox vulnerabilities
 - 11 May 2018