Ubuntu Security Notice 5816-2 - USN-5816-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. Niklas Baumstark discovered that a compromised web child process of Firefox could disable web security opening restrictions, leading to a new child process being spawned within the file:// context. Tom Schuster discovered that Firefox was not performing a validation check on GTK drag data. An attacker could potentially exploits this to obtain sensitive information. Various other issues were also addressed.
ac080c4b3790efbaf876e4fa1ba3505424a80943ca230f29f3ed885731cb5053
Ubuntu Security Notice 5816-1 - Niklas Baumstark discovered that a compromised web child process of Firefox could disable web security opening restrictions, leading to a new child process being spawned within the file:// context. An attacker could potentially exploits this to obtain sensitive information. Tom Schuster discovered that Firefox was not performing a validation check on GTK drag data. An attacker could potentially exploits this to obtain sensitive information.
fc001643a6e5b7c0b2a05ecbee48a78fcb234cb56c2c6ca5347f8ad3e4ce89ab