CVE-2023-26819
Publication date 19 April 2025
Last updated 11 July 2025
Ubuntu priority
Cvss 3 Severity Score
Description
cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| cjson | 25.10 questing | 
                                Needs evaluation 
                                
                               | 
| 25.04 plucky | 
                                Needs evaluation 
                                
                               | |
| 24.04 LTS noble | 
                                Needs evaluation 
                                
                               | |
| 22.04 LTS jammy | 
                                Needs evaluation 
                                
                               | |
| 20.04 LTS focal | 
                                Needs evaluation 
                                
                               | 
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score |  | 
| Attack vector | Local | 
| Attack complexity | High | 
| Privileges required | None | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | None | 
| Integrity impact | None | 
| Availability impact | Low | 
| Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |