CVE-2020-27802

MEDIUM

UPX 4.0.0 - Denial of Service via Crafted Mach-O File

Title source: llm

An floating point exception was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Core 1

Core References

Exploit, Issue Tracking, Third Party Advisory x_refsource_misc

CVSS v3 5.5

EPSS 0.0027

EPSS Percentile 18.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE

CWE-119 CWE-369

Status published

Products (1)

upx/upx 4.0.0

Published Aug 25, 2022

Tracked Since Feb 18, 2026