clickhouse: Heap buffer overflow in Clickhouse's LZ4 compression codec when parsing a malicious query
CVE-2021-43304 is fixed in clickhouse on 1 platform by DEBIAN-CVE-2021-43304 (version 18.16.1+ds-7.3), released March 14, 2022. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| clickhouse · Debian 12.15 (bookworm) | 18.16.1+ds-7.3 | DEBIAN-CVE-2021-43304 | Mar 14, 2022 |
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