Out-of-Bounds The advisory has been revoked - it doesn't affect any version of package upx  (opens in a new tab)


Threat Intelligence

EPSS
1.23% (65th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Out-of-Bounds vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CONAN-UPX-10078458
  • published8 May 2025
  • disclosed27 Dec 2019
  • creditUnknown

Introduced: 27 Dec 2019

CVE-2019-20053  (opens in a new tab)
CWE-119  (opens in a new tab)

Amendment

This was deemed not a vulnerability.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds. An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

References