A vulnerability in the InstallShield file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper handling of temporary resources during file scanning. An attacker could exploit this vulnerability by submitting a crafted InstallShield file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process and temporarily consume available system resources, resulting in a DoS condition on the affected software.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade clamav | Jul 8, 2026 | Jul 1, 2026 |
| Amazon Linux Ami 2 | — | Upgrade clamav1.4-dataUpgrade clamav1.4-libUpgrade clamav1.4Upgrade clamav1.4-develUpgrade clamav1.4-freshclamUpgrade clamav1.4-milterUpgrade clamav1.4-filesystemUpgrade clamd1.4Upgrade clamav1.4-docUpgrade clamav1.4-debuginfo | Jul 22, 2026 | Jul 22, 2026 |
| Amazon_linux_2023 | — | Upgrade clamav1.4Upgrade clamav1.5-docUpgrade clamav1.4-freshclam-debuginfoUpgrade clamav1.5-milter-debuginfoUpgrade clamav1.4-debuginfoUpgrade clamav1.5-milterUpgrade clamd1.4Upgrade clamav1.5-debuginfoUpgrade clamd1.4-debuginfoUpgrade clamav1.5-filesystemUpgrade clamav1.5-develUpgrade clamav1.5-dataUpgrade clamav1.4-milterUpgrade clamav1.4-develUpgrade clamav1.4-filesystemUpgrade clamav1.4-milter-debuginfoUpgrade clamav1.5-freshclamUpgrade clamav1.5-freshclam-debuginfoUpgrade clamav1.5-libUpgrade clamav1.4-libUpgrade clamav1.4-freshclamUpgrade clamav1.5-lib-debuginfoUpgrade clamav1.5-debugsourceUpgrade clamav1.4-lib-debuginfoUpgrade clamav1.4-dataUpgrade clamd1.5Upgrade clamav1.5Upgrade clamav1.4-docUpgrade clamav1.4-debugsourceUpgrade clamd1.5-debuginfo | Jul 21, 2026 | Jul 1, 2026 |
| Ubuntu | — | Upgrade clamav | Jul 9, 2026 | Jul 8, 2026 |
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