Espruino before 1.98 allows attackers to cause a denial of service (application crash) with a user crafted input file via an Out-of-bounds Read during syntax parsing in which certain height validation is missing in libs/graphics/jswrap_graphics.c.Referenceshttps://github.com/espruino/Espruino/issues/1421https://github.com/espruino/Espruino/files/2015630/test_0.txthttps://github.com/espruino/Espruino/commit/8a44b04b584b3d3ab1cb68fed410f7ecb165e50e
