Ubuntu Security Notice USN-4239-1

Ubuntu Security Notice 4239-1 - It was discovered that PHP incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, 16.04 LTS, 18.04 LTS, 19.04 and 19.10. It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. It was discovered that PHP incorrectly handled certain images. An attacker could possibly use this issue to access sensitive information. Various other issues were also addressed.