Mozilla: S/MIME signature accepted despite mismatching message date

The Mozilla Foundation Security Advisory: The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. If present, Thunderbird did not compare the signature creation date with the message date and time, and displayed a valid signature despi...

Ubuntu time confusion vulnerability is still not fixed don't know the password can get root permissions-bug warning-the black bar safety net

Ubuntu（Ubuntu）is the world's most popular Linux distribution, General Unix Assembly in the presence of a security vulnerability. However, from the official release of the relevant patches has been more than a year, the vulnerability still has not been repaired. ! Unix systems, the“Sudo”is“Super...