Heap-based buffer overflow in the pefromupx function in libclamav/upx.c in Clam AntiVirus (ClamAV) 0.81 through 0.88.3 allows remote attackers to execute arbitrary code via a crafted UPX packed file containing sections with large rsize values.
CVSS Details
- CVSS 3.1 Base Score: 7.8
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade clamav | Jul 30, 2024 | Aug 8, 2006 |
| Freebsd | — | Upgrade clamav-develUpgrade clamav | Dec 10, 2025 | Aug 8, 2006 |
| Gentoo Linux | — | Upgrade app-antivirus/clamav. | Oct 30, 2017 | Aug 8, 2006 |
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