Description
Divide-by-zero in Clickhouse's Delta compression codec when parsing a malicious query. The first byte of the compressed buffer is used in a modulo operation without being checked for 0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| yandex | clickhouse | unspecified – < 21.10.2.15-stable | 21.10.2.15-stable |