CVE-2020-27797

An invalid memory address reference was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.
References
Link Resource
https://github.com/upx/upx/issues/390 Exploit Issue Tracking Third Party Advisory
https://github.com/upx/upx/issues/390 Exploit Issue Tracking Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:upx:upx:4.0.0:*:*:*:*:*:*:*

History

11 Apr 2025, 12:27

Type Values Removed Values Added
CPE cpe:2.3:a:upx_project:upx:4.0.0:*:*:*:*:*:*:* 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/390 - Exploit, Issue Tracking, Third Party Advisory () https://github.com/upx/upx/issues/390 - Exploit, Issue Tracking, Third Party Advisory

27 Aug 2022, 03:11

Type Values Removed Values Added
CPE cpe:2.3:a:upx_project:upx:4.0.0:*:*:*:*:*:*:*
References (MISC) https://github.com/upx/upx/issues/390 - (MISC) https://github.com/upx/upx/issues/390 - Exploit, Issue Tracking, Third Party Advisory
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5
CWE CWE-763

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-2020-27797

Mitre link : CVE-2020-27797

CVE.ORG link : CVE-2020-27797


JSON object : View

Products Affected

upx

  • upx
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-763

Release of Invalid Pointer or Reference