CVE-2017-7814

File downloads encoded with "blob:" and "data:" URL elements bypassed normal file download checks though the Phishing and Malware Protection feature and its block lists of suspicious sites and files. This would allow malicious sites to lure users into downloading executables that would otherwise ...

Security vulnerabilities fixed in Firefox 56 — Mozilla

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. A spoofing vulnerability can occur when a page switches to fullscreen mode without user notification, allowing a fake addre...