CVE-2025-2784
Publication date 3 April 2025
Last updated 19 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
A flaw was found in libsoup. The package is vulnerable to a heap buffer over-read when sniffing content via the skip_insight_whitespace() function. Libsoup clients may read one byte out-of-bounds in response to a crafted HTTP response by an HTTP server.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| libsoup3 | 25.10 questing | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 25.04 plucky | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 24.04 LTS noble | 
                              
                               
                                Fixed 3.4.4-5ubuntu0.2 
                                
                               
                             |      
                          
                            
                          
                        
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| 22.04 LTS jammy | 
                              
                               
                                Fixed 3.0.7-0ubuntu1+esm2 
                                
                                   
                             |      
                          
                            
                          
                        
                      |
| 20.04 LTS focal | Not in release | |
| libsoup2.4 | 25.10 questing | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 25.04 plucky | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 24.04 LTS noble | 
                              
                               
                                Fixed 2.74.3-6ubuntu1.2 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 22.04 LTS jammy | 
                              
                               
                                Fixed 2.74.2-3ubuntu0.2 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 20.04 LTS focal | 
                              
                               
                                Fixed 2.70.0-1ubuntu0.2 
                                
                               
                             |      
                          
                            
                          
                        
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| 18.04 LTS bionic | 
                              
                               
                                Fixed 2.62.1-1ubuntu0.4+esm5 
                                
                                   
                             |      
                          
                            
                          
                        
                      |
| 16.04 LTS xenial | 
                              
                               
                                Fixed 2.52.2-1ubuntu0.3+esm4 
                                
                                   
                             |      
                          
                            
                          
                        
                      
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Get Ubuntu Pro 30-day free trialSeverity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | High | 
| Privileges required | None | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | Low | 
| Integrity impact | Low | 
| Availability impact | High | 
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-7432-1
 - libsoup vulnerabilities
 - 10 April 2025
 - USN-7565-1
 - libsoup vulnerabilities
 - 11 June 2025
 
Other references
- https://www.cve.org/CVERecord?id=CVE-2025-2784
 - https://gitlab.gnome.org/GNOME/libsoup/-/issues/422
 - https://gitlab.gnome.org/GNOME/libsoup/-/commit/242a10fbb12dbdc12d254bd8fc8669a0ac055304 (3.6.5)
 - https://access.redhat.com/security/cve/CVE-2025-2784
 - https://bugzilla.redhat.com/show_bug.cgi?id=2354669