The Stack Clash is a vulnerability in the memory management of several operating systems. It affects Linux, OpenBSD, NetBSD, FreeBSD and Solaris on i386 and amd64. It can be exploited by attackers to corrupt memory and execute arbitrary code.
We’re publishing this as an emergency bulletin for our customers and the larger web community. A few hours ago a zero day vulnerability emerged in the Tor browser bundle and the Firefox web browser.
Microsoft has patched flaws that attackers could exploit to compromise all Azure Red Hat Enterprise Linux (RHEL) instances. Software engineer Ian Duffy found the flaws while building a secure RHEL image for Microsoft Azure.