USN-986-1: bzip2 vulnerability

Releases

• Ubuntu 10.04
• Ubuntu 9.10
• Ubuntu 9.04
• Ubuntu 8.04
• Ubuntu 6.06

Packages

• bzip2 - high-quality block-sorting file compressor - utilities

Details

An integer overflow was discovered in bzip2. If a user or automated system
were tricked into decompressing a crafted bz2 file, an attacker could cause
bzip2 or any application linked against libbz2 to crash or possibly execute
code as the user running the program.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.10

• bzip2 - 1.0.5-3ubuntu0.1
• libbz2-1.0 - 1.0.5-3ubuntu0.1

Ubuntu 9.04

• bzip2 - 1.0.5-1ubuntu1.1
• libbz2-1.0 - 1.0.5-1ubuntu1.1

Ubuntu 8.04

• bzip2 - 1.0.4-2ubuntu4.1
• libbz2-1.0 - 1.0.4-2ubuntu4.1

Ubuntu 6.06

• bzip2 - 1.0.3-0ubuntu2.2
• libbz2-1.0 - 1.0.3-0ubuntu2.2

Ubuntu 10.04

• bzip2 - 1.0.5-4ubuntu0.1
• libbz2-1.0 - 1.0.5-4ubuntu0.1

In general, a standard system update will make all the necessary changes.

References

• CVE-2010-0405

Related notices

• USN-986-2
• USN-986-3