NetSight
high8.2

CVE-2017-7813

Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer being parsed.

Impact

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. This vulnerability affects Firefox < 56.

Affected products

VendorProductAffected versions
MozillaFirefox
through 55.0.3

Weakness classification

References