2016-10-20 blog.qualys.comIs HTTP Public Key Pinning Dead?To sum up, HPKP is not for the faint of heart; you essentially need to know what you’re doing and be careful about it.
2021-01-26 blog.qualys.comCVE-2021-3156: Heap-Based Buffer Overflow in Sudo (Baron Samedit)a heap overflow vulnerability in sudo, a near-ubiquitous utility available on major Unix-like operating systems. Any unprivileged user can gain root privileges on a vulnerable host using a default sudo configuration by exploiting this vulnerability.