CVE-2024-8384
Publication date 3 September 2024
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
The JavaScript garbage collector could mis-color cross-compartment objects if OOM conditions were detected at the right point between two passes. This could have led to memory corruption. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| firefox | ||
| 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 | ||
| 24.04 LTS noble | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 22.04 LTS jammy | 
                              
                               
                                Fixed 1:115.15.0+build1-0ubuntu0.22.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 20.04 LTS focal | 
                              
                               
                                Fixed 1:115.15.0+build1-0ubuntu0.20.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| mozjs38 | ||
| 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 | Ignored | |
| mozjs52 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Ignored | |
| 18.04 LTS bionic | Ignored | |
| mozjs68 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Ignored | |
| mozjs78 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Ignored | |
| 20.04 LTS focal | Not in release | |
| mozjs91 | ||
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Ignored | |
| 20.04 LTS focal | Not in release | |
| mozjs102 | ||
| 24.04 LTS noble | Ignored | |
| 22.04 LTS jammy | Ignored | |
| 20.04 LTS focal | Not in release | |
| mozjs115 | ||
| 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 | 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-6992-1
 - Firefox vulnerabilities
 - 5 September 2024
 - USN-6995-1
 - Thunderbird vulnerabilities
 - 9 September 2024
 
Other references
- https://www.cve.org/CVERecord?id=CVE-2024-8384
 - https://www.mozilla.org/en-US/security/advisories/mfsa2024-39/#CVE-2024-8384
 - https://www.mozilla.org/en-US/security/advisories/mfsa2024-41/#CVE-2024-8384
 - https://bugzilla.mozilla.org/show_bug.cgi?id=1911288
 - https://www.mozilla.org/security/advisories/mfsa2024-39/
 - https://www.mozilla.org/security/advisories/mfsa2024-40/
 - https://www.mozilla.org/security/advisories/mfsa2024-41/