CVE-2020-27787

Medium

Description

A Segmentaation fault was found in UPX in invert_pt_dynamic() function 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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductUpx
PublishedAug 18, 2022
First seenAug 18, 2022

How to fix

Update
  • upx upx3.96 or later

Affected products

ProductAffected versionsFixed in
upx upxv < 3.963.96

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