Ubuntu Security Notice USN-540-1
13th November, 2007
flac 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
- flac
Details
Sean de Regge discovered that flac did not properly perform bounds
checking in many situations. An attacker could send a specially crafted
FLAC audio file and execute arbitrary code as the user or cause a denial
of service in flac or applications that link against flac.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.10:
- libflac8 1.1.4-3ubuntu1.1
- Ubuntu 7.04:
- libflac7 1.1.2-5ubuntu2.1
- Ubuntu 6.10:
- libflac7 1.1.2-5ubuntu1.1
- Ubuntu 6.06 LTS:
- libflac7 1.1.2-3ubuntu1.1
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.