CVE-2020-3341
Publication date 13 May 2020
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
A vulnerability in the PDF archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.101 - 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a stack buffer overflow read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| clamav | 20.04 LTS focal | 
                              
                               
                                Fixed 0.102.3+dfsg-0ubuntu0.20.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 18.04 LTS bionic | 
                              
                               
                                Fixed 0.102.3+dfsg-0ubuntu0.18.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 16.04 LTS xenial | 
                              
                               
                                Fixed 0.102.3+dfsg-0ubuntu0.16.04.1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 0.102.3+dfsg-0ubuntu0.14.04.1+esm1 
                                
                                   
                             |      
                          
                            
                          
                        
                      
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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 | None | 
| Integrity impact | None | 
| Availability impact | High | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-4370-2
 - ClamAV vulnerabilities
 - 21 May 2020
 - USN-4370-1
 - ClamAV vulnerabilities
 - 21 May 2020