Unrated severityNVD Advisory· Published Mar 14, 2022· Updated Aug 4, 2024
CVE-2021-43304
CVE-2021-43304
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.
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Affected products
2- yandex/clickhousev5Range: unspecified
Patches
Vulnerability mechanics
References
2News mentions
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