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USN-769-1: libwmf vulnerability

4 May 2009

libwmf vulnerability

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

Details

Tavis Ormandy discovered that libwmf incorrectly used memory after it had
been freed when using its embedded GD library. If a user or automated
system were tricked into opening a crafted WMF file, an attacker could
cause a denial of service or execute arbitrary code with privileges of the
user invoking the program.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 9.04
Ubuntu 8.10
Ubuntu 8.04
Ubuntu 6.06

In general, a standard system upgrade is sufficient to effect the
necessary changes.

References