Out-of-bounds Read Affecting upx package, versions <3.96-r0



    Attack Complexity Low
    User Interaction Required
    Availability High
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5.5 medium

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  • Snyk ID SNYK-ALPINE317-UPX-3144153
  • published 21 Jul 2020
  • disclosed 27 Dec 2019

How to fix?

Upgrade Alpine:3.17 upx to version 3.96-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 heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.