Your system may not meet the requirements for Firefox, but you can try one of these versions:

Your system doesn't meet the requirements to run Firefox.

Your system doesn't meet the requirements to run Firefox.

Please follow these instructions to install Firefox.

Firefox Privacy Notice

Mozilla Foundation Security Advisory 2015-50

Out-of-bounds read and write in asm.js validation

Announced
May 12, 2015
Reporter
Dougall Johnson
Impact
Critical
Products
Firefox, SeaMonkey
Fixed in
  • Firefox 38
  • SeaMonkey 2.35

Description

Security researcher Dougall Johnson reported an out-of-bounds read and write in asm.js during JavaScript validation due to an error in how heap lengths are defined. This results in a potentially exploitable crash and could allow for the reading of random memory which may contain sensitive data.

References