CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
Percentile
92.8%
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.