Name: CVE-2023-23456: Out-of-bounds Write
Creator: Rapid7
Published: 2023-01-12T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2023-23456, CWE-787, CVSS 5.3, EPSS 0.00398

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.

CVSS Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade upx	Aug 22, 2024	Jan 12, 2023
Debian	—	Upgrade upx-ucl	Dec 16, 2024	Jan 12, 2023
Suse	—	Upgrade upx	Apr 12, 2023	Jan 12, 2023

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CVSS Details

Covered by Rapid7

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