Stack Overflow Vulnerability in ClickHouse Database Software
CVE-2019-16536

8.2HIGH

Key Information:

Vendor

Clickhouse

Status
Db
Vendor
CVE Published:
21 May 2025

What is CVE-2019-16536?

A stack overflow vulnerability has been identified in ClickHouse, allowing a malicious authenticated client to exploit the system. This flaw can lead to Denial of Service (DoS) conditions, interrupting normal database operations. Users running versions prior to 19.14.3.3 are at risk. It is essential for organizations utilizing ClickHouse to apply the necessary updates to safeguard their systems from potential exploits.

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Affected Version(s)

DB Linux 19.14.3.3

References

https://clickhouse.com/docs/whats-new/security-changelog

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eldar Zaitov of Yandex Information Security Team
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