47
CVE-2021-42390
PoC —CVSS 3.1
6.5 medium
EPSS
1%p68
Published
()
Modified
Description
Divide-by-zero in Clickhouse's DeltaDouble 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.
- Vendors
- clickhouse
- Products
- clickhouse
- Weakness
- CWE-369
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H