CVE-2020-27797

MEDIUM

UPX 4.0.0 - Invalid Memory Address Reference in elf_lookup Function

Title source: llm
STIX 2.1

Description

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 (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/upx/upx/issues/390

Scores

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

Details

CWE
CWE-119 CWE-763
Status published
Products (1)
upx/upx 4.0.0
Published Aug 25, 2022
Tracked Since Feb 18, 2026