CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.5. See the original NVD description below for full technical details.
CVE
CVE-2021-42389
Severity
MEDIUM
CVSS
6.5
EPSS
1.26%
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)