canUnpack in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (SEGV or buffer overflow, and application crash) or possibly have unspecified other impact via a crafted UPX packed file.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-upx | Jan 4, 2021 | Jul 27, 2019 | |
| Debian | debian-upgrade-upx-ucl | Jul 30, 2024 | Jul 27, 2019 | |
| Suse | — | suse-upgrade-upx | Feb 5, 2020 | Jul 27, 2019 |
| Ubuntu | no-fix-ubuntu-package | Jun 26, 2025 | Jul 27, 2019 |
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