See https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-9318 : libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attackers to conduct XML External Entity (XXE) attacks via a crafted document.
The patch for this is in master, pyro and morty - can we mark this resolved?
Pyro: 0dd44c00e3b2fbc3befc3f361624a3a60161d979 Morty: 53c39f29578a4468e7f64a7403e77c28d951de6a