The TSymbolTableLevel class in ANGLE, as used in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows, allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact by triggering use of a WebGL shader that writes to an array.
Exploitability
AV:NAC:LPR:NUI:RScope
S:UImpact
C:HI:HA:H8.8/CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H