Ubuntu Security Notice 3766-1 - It was discovered that PHP incorrectly handled restarting certain child processes when php-fpm is used. A remote attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 18.04 LTS. It was discovered that PHP incorrectly handled certain exif tags in JPEG images. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. Various other issues were also addressed.
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