Ubuntu Security Notice USN-5947-1

Ubuntu Security Notice 5947-1 - Fabien Potencier discovered that Twig was not properly enforcing sandbox policies when dealing with objects automatically cast to strings by PHP. An attacker could possibly use this issue to expose sensitive information. This issue was only fixed in Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Marlon Starkloff discovered that Twig was not properly enforcing closure constraints in some of its array filtering functions. An attacker could possibly use this issue to execute arbitrary code. This …

array constraints functions information issue notice php policies sandbox security security notice sensitive information strings ubuntu usn