Read more https://packetstormsecurity.com/files/177217/USN-6644-1.txt
Ubuntu Security Notice USN-6644-1
Ubuntu Security Notice 6644-1 - It was discovered that LibTIFF
incorrectly handled certain files. If a user were tricked into
opening a specially crafted file, an attacker could possibly use
this issue to cause the application to crash, resulting in a denial
of service. It was discovered that LibTIFF incorrectly handled
certain image files with the tiffcp utility. If a user were tricked
into opening a specially crafted image file, an attacker could
possibly use this issue to cause tiffcp to crash, resulting in a
denial of service.Ubuntu Security Notice 6644-1 - It was discovered
that LibTIFF incorrectly handled certain files. If a user were
tricked into opening a specially crafted file, an attacker could
possibly use this issue to cause the application to crash,
resulting in a denial of service. It was discovered that LibTIFF
incorrectly handled certain image files with the tiffcp utility. If
a user were tricked into opening a specially crafted image file, an
attacker could possibly use this issue to cause tiffcp to crash,
resulting in a denial of service.