It was discovered that OpenSSL did not correctly free unused memory in certain situations. A remote attacker could trigger this flaw in services that used SSL, causing the service to use all available system memory, leading to a denial of service.
The problem can be corrected by updating your system to the following package versions:
14 January 2010
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that OpenSSL did not correctly free unused memory in certain situations. A remote attacker could trigger this flaw in services that used SSL, causing the service to use all available system memory, leading to 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.
After a standard system upgrade you need to restart any applications using OpenSSL, especially Apache, to effect the necessary changes.
Vulmon