CVE-2018-16336
Publication date 1 September 2018
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted image file, a different vulnerability than CVE-2018-10999.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| exiv2 | ||
| 18.04 LTS bionic | 
                              
                               
                                Fixed 0.25-3.1ubuntu0.18.04.2 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 16.04 LTS xenial | 
                              
                               
                                Fixed 0.25-2.1ubuntu16.04.3 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 0.23-1ubuntu2.2 
                                
                               
                             |      
                          
                            
                          
                        
                      
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | Required | 
| Scope | Unchanged | 
| Confidentiality | None | 
| Integrity impact | None | 
| Availability impact | High | 
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-3852-1
 - Exiv2 vulnerabilities
 - 10 January 2019