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CVE-2023-23456

MEDIUM CVSS: 5.3 Published: 2023-01-12 Modified: 2026-06-17

Description

A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.

Affected Platforms

Fedoraproject FedoraUpx Upx

Weakness Type

CWE-787, CWE-787

References