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A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade clamav | Aug 22, 2024 | Apr 8, 2021 |
| Debian | — | Upgrade clamav | Jul 30, 2024 | Apr 8, 2021 |
| Freebsd | — | Upgrade clamav | Nov 4, 2022 | Apr 7, 2021 |
| Suse | — | Upgrade libclamav9Upgrade libfreshclam2Upgrade clamavUpgrade clamav-devel | Apr 14, 2021 | Apr 8, 2021 |
| Ubuntu | — | Upgrade clamavUpgrade clamav (Ubuntu Pro) | Apr 20, 2021 | Apr 8, 2021 |
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