CVE-2020-13113
Publication date 21 May 2020
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| libexif | 20.04 LTS focal | 
                              
                               
                                Fixed 0.6.21-6ubuntu0.3 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 18.04 LTS bionic | 
                              
                               
                                Fixed 0.6.21-4ubuntu0.5 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 16.04 LTS xenial | 
                              
                               
                                Fixed 0.6.21-2ubuntu0.5 
                                
                               
                             |      
                          
                            
                          
                        
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| 14.04 LTS trusty | 
                              
                               
                                Fixed 0.6.21-1ubuntu1+esm5 
                                
                                   
                             |      
                          
                            
                          
                        
                      
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Get Ubuntu Pro 30-day free trialSeverity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | Low | 
| Integrity impact | None | 
| Availability impact | High | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-4396-1
 - libexif vulnerabilities
 - 16 June 2020