CVE-2023-23457

Upx: segv on packlinuxelf64::invert_pt_dynamic() in p_lx_elf.cpp

Published Jan 12, 2023 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-27557 A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.
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': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fedora
Published
Updated
Apr 7, 2025, 3:31 PM
Reserved
Jan 12, 2023, 12:00 AM
Status
Modified
Published
Jan 12, 2023, 7:15 PM
Modified
Jun 17, 2026, 5:37 AM