CVE-2020-27801

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Aug 25, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-27801: High severity, CVSS 7.8 | Vulnix