The host is missing a critical security update according to Mozilla advisory, MFSA2012-23. The update is required to fix heap-based buffer overflow vulnerability. A flaw is present in the applications, which fail to handle the nsSVGFEDiffuseLightingElement::LightPixel function. Successful exploitation could allow attackers to cause a denial of service or invalid gfxImageSurface free operation or possibly execute arbitrary code.