VULNERABILITY INTELLIGENCE

CVE-2019-20021

CVSS score5.5 MEDIUM
EPSS probability1.09%
CISA KEVNot currently listed
Published2019-12-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

Weakness classification

  • nvd@nist.gov: CWE-125

Primary references