CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2021-42389
Medium (6.5) in clickhouse clickhouse. EPSS 1.3% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
- CWE
- CWE-369
- Published
- Modified
- Record from
- the NVD, synced
Affected
- clickhouse:clickhouse