USN-6629-3

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USN-6629-3

Summary: ujson vulnerabilities

Details: USN-6629-1 fixed vulnerabilities in UltraJSON. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: 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. (CVE-2021-45958) 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. (CVE-2022-31116) 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. (CVE-2022-31117)

References: https://ubuntu.com/security/notices/USN-6629-3, https://ubuntu.com/security/CVE-2022-31116, https://ubuntu.com/security/CVE-2022-31117