Ubuntu Security Notice 6629-2 - USN-6629-1 fixed vulnerabilities in UltraJSON. This update provides the corresponding updates for Ubuntu 20.04 LTS. It was discovered that UltraJSON incorrectly handled certain input with a large amount of indentation. An attacker could possibly use this issue to crash the program, resulting in a denial of service. Jake Miller discovered that UltraJSON incorrectly decoded certain characters. An attacker could possibly use this issue to cause key confusion and overwrite values in dictionaries. It was discovered that UltraJSON incorrectly handled an error when reallocating a buffer for string decoding. An attacker could possibly use this issue to corrupt memory. Continue reading...