The ENSURE_BITS macro in mszipd.c for Clam AntiVirus (ClamAV) 0.83, and other versions vefore 0.86, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a cabinet (CAB) file with the cffile_FolderOffset field set to 0xff, which causes a zero-length read.
CVSS Details
- CVSS 3.1 Base Score: 3.7
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade clamav | Jul 30, 2024 | Jul 5, 2005 |
| Freebsd | — | Upgrade clamav-develUpgrade clamav | Dec 10, 2025 | Jul 6, 2005 |
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