The iwgif_record_pixel function in imagew-gif.c in libimageworsener.a in ImageWorsener 1.3.0 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file.Referenceshttps://security.gentoo.org/glsa/201706-06https://github.com/jsummers/imageworsener/issues/9http://www.securityfocus.com/bid/97497
