Ubuntu Security Notice USN-581-1
21st February, 2008
pcre3 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
- pcre3
Details
It was discovered that PCRE did not correctly handle very long strings
containing UTF8 sequences. In certain situations, an attacker could
exploit applications linked against PCRE by tricking a user or automated
system in processing a malicious regular expression leading to a denial
of service or possibly arbitrary code execution.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.10:
- libpcre3 7.4-0ubuntu0.7.10.2
- Ubuntu 7.04:
- libpcre3 7.4-0ubuntu0.7.04.2
- Ubuntu 6.10:
- libpcre3 7.4-0ubuntu0.6.10.2
- Ubuntu 6.06 LTS:
- libpcre3 7.4-0ubuntu0.6.06.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to reboot your computer to
effect the necessary changes.