| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | = 38.0= 38.0.1= 38.0.5= 38.1.0≤ 39.0.3 |
The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared memory and accessing (1) an Atomics object or (2) a SharedArrayBuffer object.
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