Ubuntu Security Notice USN-4556-1
https://packetstormsecurity.com/files/159329/USN-4556-1.txt
https://packetstormsecurity.com/files/159329/USN-4556-1.txthttps://packetstormsecurity.com/files/159329/Ubuntu-Security-Notice-USN-4556-1.htmlTue, 29 Sep 2020 22:22:22 GMTUbuntu Security Notice 4556-1 - It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability to cause netqmail to crash or execute arbitrary code. It was discovered that netqmail did not properly handle certain input when validating email addresses. An attacker could use this to bypass email address validation. Various other issues were also addressed.