A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade upx | Aug 22, 2024 | Mar 26, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Mar 26, 2021 |
| Debian | — | No solution existsUpgrade upx-ucl | May 15, 2025 | Mar 26, 2021 |
| Suse | — | Upgrade upx | Aug 9, 2024 | Mar 26, 2021 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Mar 26, 2021 |
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