Vulnerabilities > CVE-2021-20285 - Out-of-bounds Write vulnerability in UPX Project UPX 3.96

047910
CVSS 8.3 - HIGH
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
COMPLETE

Summary

A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.

Vulnerable Configurations

Part Description Count
Application
Upx_Project
1

Common Weakness Enumeration (CWE)