CVE-2020-27799 - CVE House
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Status published High CVE-2020-27799

A heap-based buffer over-read was discovered in the acc_ua_get_be32 function...

Vulnerability Description

A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

upx
Vulnerable Versions:
upx 4.0.0-git-87b73e5cfdc1+

Timeline

Official Publish: August 25th, 2022
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)