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Out-of-Bounds Affecting upx package, versions <4.0.2-r0

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High
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NVD
5.5 medium

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  • Snyk ID SNYK-ALPINE317-UPX-3267268
  • published 3 Feb 2023
  • disclosed 12 Jan 2023
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Introduced: 12 Jan 2023

CVE-2023-23457 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Alpine:3.17 upx to version 4.0.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream upx package and not the upx package as distributed by Alpine:3.17. See How to fix? for Alpine:3.17 relevant fixed versions and status.

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.