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==========================================================================
Ubuntu Security Notice USN-3212-3
July 19, 2017

tiff vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM

Summary:

LibTIFF could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- tiff: Tag Image File Format (TIFF) library

Details:

USN-3212-1 and USN-3212-2 fixed a vulnerabilitiy in LibTIFF. This
update provides a subset of corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that LibTIFF incorrectly handled certain malformed
 images. If a user or automated system were tricked into opening a
 specially crafted image, a remote attacker could crash the
 application, leading to a denial of service, or possibly execute
 arbitrary code with user privileges.

Update instructions:

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

Ubuntu 12.04 ESM:
  libtiff-tools                   3.9.5-2ubuntu1.10
  libtiff4                        3.9.5-2ubuntu1.10

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

References:
  https://www.ubuntu.com/usn/usn-3212-3
  https://www.ubuntu.com/usn/usn-3212-1
  CVE-2015-7554, CVE-2015-8668, CVE-2016-10092, CVE-2016-3623,
  CVE-2016-3624, CVE-2016-3632, CVE-2016-3990, CVE-2016-3991,
  CVE-2016-5321, CVE-2016-5322, CVE-2016-8331, CVE-2016-9453,
  CVE-2016-9533, CVE-2016-9534, CVE-2016-9536, CVE-2016-9537

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