USN-471-1: libexif vulnerability

Publication date

11 June 2007

Overview

libexif vulnerability


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.

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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
7.04 feisty libexif12 –  0.6.13-5ubuntu0.1
6.10 edgy libexif12 –  0.6.13-4ubuntu0.1
6.06 dapper libexif12 –  0.6.12-2ubuntu0.1

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