CVE-2021-43304

More information about this CVE will likely be available in a few days.

Description

Heap buffer overflow in Clickhouse's LZ4 compression codec when parsing a malicious query. There is no verification that the copy operations in the LZ4::decompressImpl loop and especially the arbitrary copy operation wildCopy<copy_amount>(op, ip, copy_end), don’t exceed the destination buffer’s limits.

Related CPE's

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CvssV3 impact

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CvssV2 impact

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