The mnote_olympus_entry_get_value function in olympus/mnote-olympus-entry.c in the EXIF Tag Parsing Library (aka libexif) before 0.6.21 allows remote attackers to cause a denial of service (divide-by-zero error) via an image with crafted EXIF tags that are not properly handled during the formatting of EXIF maker note tags.
lists.opensuse.org/opensuse-security-announce/2012-07/msg00014.html
lists.opensuse.org/opensuse-security-announce/2012-07/msg00015.html
rhn.redhat.com/errata/RHSA-2012-1255.html
secunia.com/advisories/49988
sourceforge.net/mailarchive/message.php?msg_id=29534027
www.debian.org/security/2012/dsa-2559
www.securityfocus.com/bid/54437
www.ubuntu.com/usn/USN-1513-1