CVE-2024-8386
Publication date 3 September 2024
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
If a site had been granted the permission to open popup windows, it could cause Select elements to appear on top of another site to perform a spoofing attack. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| firefox | 25.10 questing | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 25.04 plucky | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 24.04 LTS noble | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 22.04 LTS jammy | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 20.04 LTS focal | 
                              
                               
                                Fixed 130.0+build2-0ubuntu0.20.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| thunderbird | 25.10 questing | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 25.04 plucky | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 24.04 LTS noble | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 22.04 LTS jammy | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 20.04 LTS focal | Not in release | |
| mozjs38 | 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 | 
                              
                               
                                Needs evaluation 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| mozjs52 | 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 | 
                              
                               
                                Needs evaluation 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 18.04 LTS bionic | Ignored | |
| mozjs68 | 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 | Ignored | |
| mozjs78 | 25.10 questing | Not in release | 
| 25.04 plucky | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Ignored | |
| 20.04 LTS focal | Not in release | |
| mozjs91 | 25.10 questing | Not in release | 
| 25.04 plucky | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Ignored | |
| 20.04 LTS focal | Not in release | |
| mozjs102 | 25.10 questing | Not in release | 
| 25.04 plucky | Not in release | |
| 24.04 LTS noble | Ignored | |
| 22.04 LTS jammy | Ignored | |
| 20.04 LTS focal | Not in release | |
| mozjs115 | 25.10 questing | Not in release | 
| 25.04 plucky | Ignored | |
| 24.04 LTS noble | Ignored | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | 
Notes
mdeslaur
mozjs* contain a copy of the SpiderMonkey JavaScript engine. It is not feasible to backport security fixes to the mozjs* packages, as such, marking them as ignored. starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap starting with Ubuntu 24.04, the thunderbird package is just a script that installs the Thunderbird snap
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | Required | 
| Scope | Changed | 
| Confidentiality | Low | 
| Integrity impact | Low | 
| Availability impact | None | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | 
References
Related Ubuntu Security Notices (USN)
- USN-6992-1
 - Firefox vulnerabilities
 - 5 September 2024
 
Other references
- https://www.cve.org/CVERecord?id=CVE-2024-8386
 - https://www.mozilla.org/en-US/security/advisories/mfsa2024-39/#CVE-2024-8386
 - https://bugzilla.mozilla.org/show_bug.cgi?id=1907032
 - https://bugzilla.mozilla.org/show_bug.cgi?id=1909163
 - https://bugzilla.mozilla.org/show_bug.cgi?id=1909529
 - https://www.mozilla.org/security/advisories/mfsa2024-39/
 - https://www.mozilla.org/security/advisories/mfsa2024-40/