PT-2022-8871

CVE-2020-27797

Published

2020-10-02

Updated

2026-10-31

Description by

CVSS 3.1

5.5

Medium

MetricsAV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions UPX version 4.0.0

Description An invalid memory address reference was discovered in the elf lookup function in p lx elf.cpp via a crafted Mach-O file.

Recommendations For UPX version 4.0.0, consider updating to a newer version that contains a fix for this issue, as no specific workaround is provided for this version. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploitability

Exploit

Impacts

Researchers

Giantbranch

Vendors

Affected products

Weakness enumeration

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-763: Release of Invalid Pointer or Reference

Related identifiers

CVE-2020-27797