CVE-2021-43317

High

Description

A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf64::elf_lookup() at p_lx_elf.cpp:5404

SeverityHigh
CVSS7.5
Exploit probability—
ProductUpx
PublishedMar 24, 2023
First seenMar 24, 2023

How to fix

Update
  • upx upx4.0.0 or later

Affected products

ProductAffected versionsFixed in
upx upxv < 4.0.04.0.0

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