Use-After-Free Vulnerability in IndexedDB: Exploitable Crash in Firefox and Thunderbird

Use-After-Free Vulnerability in IndexedDB: Exploitable Crash in Firefox and Thunderbird

CVE-2017-7757 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

A use-after-free vulnerability in IndexedDB when one of its objects is destroyed in memory while a method on it is still being executed. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

Learn more about our Web Application Penetration Testing UK.