CVE-2017-7773
Publication date 14 June 2017
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Heap-based Buffer Overflow write in Graphite2 library in Firefox before 54 in lz4::decompress src/Decompressor.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| firefox | ||
| 16.04 LTS xenial | 
                              
                               
                                Fixed 54.0+build3-0ubuntu0.16.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 54.0+build3-0ubuntu0.14.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| graphite2 | ||
| 16.04 LTS xenial | 
                              
                               
                                Fixed 1.3.10-0ubuntu0.16.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 1.3.10-0ubuntu0.14.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| thunderbird | ||
| 16.04 LTS xenial | 
                              
                               
                                Fixed 1:52.2.1+build1-0ubuntu0.16.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 1:52.2.1+build1-0ubuntu0.14.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | Required | 
| Scope | Unchanged | 
| Confidentiality | High | 
| Integrity impact | High | 
| Availability impact | High | 
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-3315-1
 - Firefox vulnerabilities
 - 15 June 2017
 - USN-3398-1
 - graphite2 vulnerabilities
 - 21 August 2017
 - USN-3321-1
 - Thunderbird vulnerabilities
 - 5 July 2017