Debian: DSA-1936-1 Critical: libgd2 Buffer Overflow DoS Threat

Several vulnerabilities have been discovered in libgd2, a library for
programmatic graphics creation and manipulation. The Common
Vulnerabilities and Exposures project identifies the following problems:

CVE-2007-0455

Kees Cook discovered a buffer overflow in libgd2's font renderer. An
attacker could cause denial of service (application crash) and
possibly execute arbitrary code via a crafted string with a JIS
encoded font. This issue only affects the oldstable distribution
(etch).

CVE-2009-3546

Tomas Hoger discovered a boundary error in the "_gdGetColors()"
function. An attacker could conduct a buffer overflow or buffer
over-read attacks via a crafted GD file.

For the oldstable distribution (etch), these problems have been fixed in
version 2.0.33-5.2etch2.

For the stable distribution (lenny), these problems have been fixed in
version 2.0.36~rc1~dfsg-3+lenny1.

For the upcoming stable distribution (squeeze) and the unstable
distribution ion (sid), these problems have been fixed in v...