CVE-2018-20458
Publication date 25 December 2018
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
In radare2 prior to 3.1.1, r_bin_dyldcache_extract in libr/bin/format/mach0/dyldcache.c may allow attackers to cause a denial-of-service (application crash caused by out-of-bounds read) by crafting an input file.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| radare2 | 25.10 questing | 
                                Not affected 
                                
                               | 
| 25.04 plucky | 
                                Not affected 
                                
                               | |
| 24.04 LTS noble | 
                                Not affected 
                                
                               | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | 
                                Not affected 
                                
                               | |
| 18.04 LTS bionic | 
                                Needs evaluation 
                                
                               | |
| 16.04 LTS xenial | 
                                Needs evaluation 
                                
                               | |
| 14.04 LTS trusty | Not in release | 
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score |  | 
| Attack vector | Local | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | Required | 
| Scope | Unchanged | 
| Confidentiality | None | 
| Integrity impact | None | 
| Availability impact | High | 
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |