Ubuntu Security Notice USN-565-1
9th January, 2008
squid vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.10
- Ubuntu 7.04
- Ubuntu 6.10
- Ubuntu 6.06 LTS
Software description
- squid
Details
It was discovered that Squid did not always clean up cache memory
correctly. A remote attacker could manipulate cache update replies and
cause Squid to use all available memory, leading to a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.10:
- squid 2.6.14-1ubuntu2.1
- Ubuntu 7.04:
- squid 2.6.5-4ubuntu2.1
- Ubuntu 6.10:
- squid 2.6.1-3ubuntu1.5
- Ubuntu 6.06 LTS:
- squid 2.5.12-4ubuntu2.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.