CVE-2021-42389: Divide By Zero

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...

PT-2021-23611 · Unknown +2 · Clickhouse +1

Name of the Vulnerable Software and Affected Versions: Clickhouse affected versions not specified Description: The issue is related to a divide-by-zero error in Clickhouse's Delta compression codec. This error occurs when parsing a malicious query, where the first byte of the compressed buffer is...