Double Free in upx | CVE-2018-11243

Q: How to fix?

Upgrade Alpine:3.21 upx to version 3.96-r0 or higher.

Threat Intelligence

2.01% (90^th percentile)

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Snyk IDSNYK-ALPINE321-UPX-8490043
published6 Dec 2024
disclosed18 May 2018

Report a new vulnerability Found a mistake?

Introduced: 18 May 2018

CVE-2018-11243 (opens in a new tab) CWE-415 (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 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. See How to fix? for Alpine:3.21 relevant fixed versions and status.

PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.

Double Free Affecting upx package, versions <3.96-r0

Severity