Firefox could be made to expose sensitive information.
- firefox: Mozilla Open Source web browser
It was discovered that speculative execution performed by modern CPUs
could leak information through a timing side-channel attack, and that
tricked in to opening a specially crafted website, an attacker could
potentially exploit this to obtain sensitive information from other
domains, bypassing same-origin restrictions. (CVE-2017-5715,
The problem can be corrected by updating your system to the following