A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
                
            Metrics
Affected Vendors & Products
References
        | Link | Providers | 
|---|---|
| https://github.com/upx/upx/issues/394 |     | 
History
                    Fri, 11 Apr 2025 12:45:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| First Time appeared | Upx Upx upx | |
| CPEs | cpe:2.3:a:upx:upx:4.0.0:*:*:*:*:*:*:* | |
| Vendors & Products | Upx Project Upx Project upx | Upx Upx upx | 
 MITRE
                        MITRE
                    Status: PUBLISHED
Assigner: redhat
Published: 2022-08-25T19:38:10
Updated: 2024-08-04T16:25:42.453Z
Reserved: 2020-10-27T00:00:00
Link: CVE-2020-27801
 Vulnrichment
                        Vulnrichment
                    No data.
 NVD
                        NVD
                    Status : Modified
Published: 2022-08-25T20:15:08.727
Modified: 2025-04-11T12:27:55.013
Link: CVE-2020-27801
 Redhat
                        Redhat
                    No data.