Important: thunderbird

Issue Overview: Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird element due to an error in how same-origin policy is applied to cached image content. The resulting same-origin poli...

CVE-2019-11743: Observable Discrepancy

Navigation events were not fully adhering to the W3C's "Navigation-Timing Level 2" draft specification in some instances for the unload event, which restricts access to detailed timing attributes to only be same-origin. This resulted in potential cross-origin information exposure of history throu...

Cross Origin Access

firefox is vulnerable to cross-origin access. The vulnerability exists due to not the adhering to the W3C's Navigation-Timing Level 2 which allows an attacker to do potential cross-origin information exposure of history via timing side-channel attacks...