It was discovered that ClamAV incorrectly handled certain PE files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20213 , CVE-2026-20214 , CVE-2026-20217 ) It was discovered that ClamAV incorrectly handled certain 7z archive files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20215 ) It was discovered that ClamAV incorrectly handled extraction limits for certain InstallShield archives. A remote attacker could possibly use this issue to cause ClamAV to use excessive resources, leading to a denial of service. ( CVE-2026-20216 ) It was discovered that ClamAV incorrectly handled certain ALZ...
It was discovered that ClamAV incorrectly handled certain PE files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20213 , CVE-2026-20214 , CVE-2026-20217 )
It was discovered that ClamAV incorrectly handled certain 7z archive files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20215 )
It was discovered that ClamAV incorrectly handled extraction limits for certain InstallShield archives. A remote attacker could possibly use this issue to cause ClamAV to use excessive resources, leading to a denial of service. ( CVE-2026-20216 )
It was discovered that ClamAV incorrectly handled certain ALZ...
It was discovered that ClamAV incorrectly handled certain PE files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20213 , CVE-2026-20214 , CVE-2026-20217 ) It was discovered that ClamAV incorrectly handled certain 7z archive files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20215 ) It was discovered that ClamAV incorrectly handled extraction limits for certain InstallShield archives. A remote attacker could possibly use this issue to cause ClamAV to use excessive resources, leading to a denial of service. ( CVE-2026-20216 ) It was discovered that ClamAV incorrectly handled certain ALZ archive files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20243 ) It was discovered that ClamAV incorrectly handled certain DMG files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20244 )
It was discovered that ClamAV incorrectly handled certain PE files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20213 , CVE-2026-20214 , CVE-2026-20217 )
It was discovered that ClamAV incorrectly handled certain 7z archive files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20215 )
It was discovered that ClamAV incorrectly handled extraction limits for certain InstallShield archives. A remote attacker could possibly use this issue to cause ClamAV to use excessive resources, leading to a denial of service. ( CVE-2026-20216 )
It was discovered that ClamAV incorrectly handled certain ALZ archive files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20243 )
It was discovered that ClamAV incorrectly handled certain DMG files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. ( CVE-2026-20244 )
This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.
The problem can be corrected by updating your system to the following package versions:
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
