CVE-2021-42389
CVE-2021-42389
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
EPSS 1.3% · Fix available
- Published
- Updated
Stack: database
Affected products and versions
clickhouse
- Versions
- ≥ unspecified, < 21.10.2.15-stable: Affected (custom)
Update to 21.10.2.15-stable