A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
                
            References
                    | Link | Resource | 
|---|---|
| https://github.com/upx/upx/issues/395 | Exploit Issue Tracking Third Party Advisory | 
| https://github.com/upx/upx/issues/395 | Exploit Issue Tracking Third Party Advisory | 
Configurations
                    History
                    11 Apr 2025, 12:27
| Type | Values Removed | Values Added | 
|---|---|---|
| CPE | cpe:2.3:a:upx:upx:4.0.0:*:*:*:*:*:*:* | |
| First Time | 
        
        Upx upx
         Upx  | 
21 Nov 2024, 05:21
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () https://github.com/upx/upx/issues/395 - Exploit, Issue Tracking, Third Party Advisory | 
27 Aug 2022, 03:12
| Type | Values Removed | Values Added | 
|---|---|---|
| CPE | cpe:2.3:a:upx_project:upx:4.0.0:*:*:*:*:*:*:* | |
| CWE | CWE-125 | |
| References | (MISC) https://github.com/upx/upx/issues/395 - Exploit, Issue Tracking, Third Party Advisory | |
| CVSS | 
        v2 :  v3 :  | 
    
        v2 : unknown
         v3 : 7.8  | 
25 Aug 2022, 20:15
| Type | Values Removed | Values Added | 
|---|---|---|
| New CVE | 
Information
                Published : 2022-08-25 20:15
Updated : 2025-04-11 12:27
NVD link : CVE-2020-27800
Mitre link : CVE-2020-27800
CVE.ORG link : CVE-2020-27800
JSON object : View
Products Affected
                upx
- upx
 
