CVE-2020-27788

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-27788
An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83 Patch Third Party Advisory
https://github.com/upx/upx/issues/332 Exploit Issue Tracking Patch Third Party Advisory
https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83 Patch Third Party Advisory
https://github.com/upx/upx/issues/332 Exploit Issue Tracking Patch Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:*
History

11 Apr 2025, 12:27

Type Values Removed Values Added
First Time Upx upx
Upx
CPE cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:* cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:*

21 Nov 2024, 05:21

Type Values Removed Values Added
References () https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83 - Patch, Third Party Advisory () https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83 - Patch, Third Party Advisory
References () https://github.com/upx/upx/issues/332 - Exploit, Issue Tracking, Patch, Third Party Advisory () https://github.com/upx/upx/issues/332 - Exploit, Issue Tracking, Patch, Third Party Advisory

22 Aug 2022, 19:23

Type Values Removed Values Added
References (MISC) https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83 - (MISC) https://github.com/upx/upx/commit/1bb93d4fce9f1d764ba57bf5ac154af515b3fc83 - Patch, Third Party Advisory
References (MISC) https://github.com/upx/upx/issues/332 - (MISC) https://github.com/upx/upx/issues/332 - Exploit, Issue Tracking, Patch, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-125
CPE cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:*

18 Aug 2022, 20:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-08-18 20:15

Updated : 2025-04-11 12:27

NVD link : CVE-2020-27788

Mitre link : CVE-2020-27788

CVE.ORG link : CVE-2020-27788

JSON object : View

Products Affected

upx

  • upx
CWE
CWE-125

Out-of-bounds Read