CVE-2023-23456

Upx: heap-buffer-overflow in packtmt::pack()

Published Jan 12, 2023 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3991-1 upx-ucl security update
EUVD EUVD EUVD-2023-27556 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.
History
Type Values Removed Values Added
First Time appeared Upx
Upx upx
CPEs cpe:2.3:a:upx_project:upx:*:*:*:*:*:*:*:* cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:*
Vendors & Products Upx Project
Upx Project upx
Upx
Upx upx
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fedora
Published
Updated
Dec 11, 2024, 7:02 PM
Reserved
Jan 12, 2023, 12:00 AM
Status
Modified
Published
Jan 12, 2023, 7:15 PM
Modified
Jun 17, 2026, 5:37 AM