Ubuntu Security Update USN-6933-1: ClickHouse vulnerabilities

[LinuxBot]

It was discovered that ClickHouse incorrectly handled memory, leading to a heap out-of-bounds data read. An attacker could possibly use this issue to cause a denial of service, or leak sensitive information. (CVE-2021-42387, CVE-2021-41388) It was discovered that ClickHouse incorrectly handled memory, leading to a heap-based buffer overflow. An attacker could possibly use this issue to cause a denial of service, or execute arbitrary code. (CVE-2021-43304, CVE-2021-43305)

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