The recent tiff update DSA-2210-1 introduced a regression that could lead to encoding problems of tiff files. This update fixes this problem . 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 decoder allows to execute arbitrary code via a TIFF file that has an unexpected BitsPerSample value.