Debian: DSA-2210-2 Critical: TIFF Encoding Issues Fixed

The recent tiff update DSA-2210-1 introduced a regression that could
lead to encoding problems of tiff files. This update fixes this problem (bug
#630042).

For reference, the description of the original DSA, which fixed
CVE-2011-0191 CVE-2011-0192 CVE-2011-1167

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), this problem has been fixed in
version 3.8.2-11.5.

For the stable distribution (squeeze), this problem has been fixed in
version 3.9.4-5...