xvpng.c in xv 3.10a has memory corruption (out-of-bounds write) when decoding PNG comment fields, leading to crashes or potentially code execution, because it uses an incorrect length value.Referenceshttps://bugzilla.suse.com/attachment.cgi?id=728337https://lists.opensuse.org/opensuse-updates/2018-02/msg00088.htmlhttps://bugzilla.suse.com/show_bug.cgi?id=1043479
