CVE-2017-7813: Incorrect Type Cast
Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer being parsed. This usually results in a non-exploitable crash, but can leak a limited amount of information from memory if it matches JavaScript identifier syntax.
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2017-7813?
CVE-2017-7813 is a vulnerability in the JavaScript parser of Mozilla Firefox and Ubuntu Firefox that can result in data leakage from memory.
What is the severity of CVE-2017-7813?
CVE-2017-7813 has a severity rating of 8.2, which is considered high.
Which software is affected by CVE-2017-7813?
Mozilla Firefox versions up to and exclusive of 56.0.3, as well as Ubuntu Firefox versions 56.0+ on various Ubuntu releases, are affected by CVE-2017-7813.
How can CVE-2017-7813 be fixed?
To fix CVE-2017-7813, users should update their Mozilla Firefox or Ubuntu Firefox to version 56.0 or newer.
Where can I find more information about CVE-2017-7813?
More information about CVE-2017-7813 can be found in the following references: [1] [2] [3]