An attacker could send crafted input to ClamAV and cause it to crash.
It was discovered that the hash processing code in libclamav improperly handled messages with certain hashes. This could allow a remote attacker to craft a document that could cause clamav to crash, resulting in a denial of service.
28 July 2011
A security issue affects these releases of Ubuntu and its derivatives:
An attacker could send crafted input to ClamAV and cause it to crash.
It was discovered that the hash processing code in libclamav improperly handled messages with certain hashes. This could allow a remote attacker to craft a document that could cause clamav to crash, resulting in a denial of service.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon