CVE-2025-32908
Publication date 14 April 2025
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
A flaw was found in libsoup. The HTTP/2 server in libsoup may not fully validate the values of pseudo-headers :scheme, :authority, and :path, which may allow a user to cause a denial of service (DoS).
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| libsoup3 | 25.04 plucky | 
                              
                               
                                Fixed 3.6.5-1ubuntu0.1 
                                
                               
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| 24.04 LTS noble | 
                              
                               
                                Fixed 3.4.4-5ubuntu0.4 
                                
                               
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| 22.04 LTS jammy | 
                              
                               
                                Not affected 
                                
                               
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| 20.04 LTS focal | Not in release | |
| libsoup2.4 | 25.04 plucky | 
                              
                               
                                Not affected 
                                
                               
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| 24.04 LTS noble | 
                              
                               
                                Not affected 
                                
                               
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| 22.04 LTS jammy | 
                              
                               
                                Not affected 
                                
                               
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| 20.04 LTS focal | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
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| 18.04 LTS bionic | 
                              
                               
                                Not affected 
                                
                               
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| 16.04 LTS xenial | 
                              
                               
                                Not affected 
                                
                               
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Severity 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-7543-1
 - libsoup vulnerabilities
 - 28 May 2025