Buffer overflow in Mozilla Firefox

CVE-2015-4484

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.

Vulnerability class: Buffer Overflow

EPSS: 0.043 (90.1th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References