(RHSA-2005:828) libungif security update

The libungif package contains a shared library of functions for loading and
saving GIF format image files.

Several bugs in the way libungif decodes GIF images were discovered. An
attacker could create a carefully crafted GIF image file in such a way that
it could cause an application linked with libungif to crash or execute
arbitrary code when the file is opened by a victim. The Common
Vulnerabilities and Exposures project has assigned the names CVE-2005-2974
and CVE-2005-3350 to these issues.

All users of libungif are advised to upgrade to these updated packages,
which contain backported patches that resolve these issues.