CVE-2018-19662
Publication date 29 November 2018
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| libsndfile | ||
| 20.04 LTS focal | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 18.04 LTS bionic | 
                              
                               
                                Fixed 1.0.28-4ubuntu0.18.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 16.04 LTS xenial | 
                              
                               
                                Fixed 1.0.25-10ubuntu0.16.04.2 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 1.0.25-7ubuntu2.2+esm1 
                                
                                   
                             |      
                          
                            
                          
                        
                      
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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 | None | 
| Availability impact | High | 
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-4013-1
 - libsndfile vulnerabilities
 - 10 June 2019
 - USN-4704-1
 - libsndfile vulnerabilities
 - 26 January 2021