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USN-471-1: libexif vulnerability

11 June 2007

libexif vulnerability

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Releases

Details

Victor Stinner discovered that libexif did not correctly validate the
size of some EXIF header fields. By tricking a user into opening an
image with specially crafted EXIF headers, a remote attacker could cause
the application using libexif to crash, resulting in a denial of service.

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 7.04
  • libexif12 - 0.6.13-5ubuntu0.1
Ubuntu 6.10
  • libexif12 - 0.6.13-4ubuntu0.1
Ubuntu 6.06
  • libexif12 - 0.6.12-2ubuntu0.1

After a standard system upgrade you need to restart your session to
effect the necessary changes.

References