A tiff security update has been released for Debian GNU/Linux

- -------------------------------------------------------------------------
Debian Security Advisory DSA-2210-1 security@debian.org
http://www.debian.org/security/ Thijs Kinkhorst
April 03, 2011 http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : tiff
Vulnerability : several
Problem type : local (remote)
Debian-specific: no
CVE ID : CVE-2011-0191 CVE-2011-0192 CVE-2011-1167
Debian Bug : 619614

Several vulnearbilities were discovered in the TIFF manipulation and
conversion library:

CVE-2011-0191

A buffer overflow allows to execute arbitrary code or cause
a denial of service via a crafted TIFF image with JPEG encoding.
This issue affects the Debian 5.0 Lenny package only.

CVE-2011-0192

A buffer overflow allows to execute arbitrary code or cause
a denial of service via a crafted TIFF Internet Fax image
file that has been compressed using CCITT Group 4 encoding.

CVE-2011-1167

Heap-based buffer overflow in the thunder (aka ThunderScan)
decoder allows to execute arbitrary code via a TIFF file that
has an unexpected BitsPerSample value.

For the oldstable distribution (lenny), these problems have been
fixed in version 3.8.2-11.4.

For the stable distribution (squeeze), these problems have been
fixed in version 3.9.4-5+squeeze1.

For the testing distribution, the first two problems have been fixed
in version 3.9.4-8, the last problem will be fixed soon.

For the unstable distribution (sid), these problems have been fixed
in version 3.9.4-9.

We recommend that you upgrade your tiff packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/