CVE-2019-16535

In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in decompression algorithms can be used to achieve RCE or DoS via native protocol.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://clickhouse.yandex/docs/en/security_changelog/	Vendor Advisory
https://clickhouse.yandex/docs/en/security_changelog/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:clickhouse:clickhouse:*:*:*:*:*:*:*:*

History

25 Jun 2025, 20:48

Type	Values Removed	Values Added
First Time		Clickhouse clickhouse Clickhouse
CPE	cpe:2.3:a:yandex:clickhouse::::::::	cpe:2.3:a:clickhouse:clickhouse::::::::

21 Nov 2024, 04:30

Type	Values Removed	Values Added
References	~~() https://clickhouse.yandex/docs/en/security_changelog/ - Vendor Advisory~~	() https://clickhouse.yandex/docs/en/security_changelog/ - Vendor Advisory

Information

Published : 2019-12-30 15:15

Updated : 2025-06-25 20:48

NVD link : CVE-2019-16535

Mitre link : CVE-2019-16535

CVE.ORG link : CVE-2019-16535

JSON object : View

Products Affected

clickhouse

clickhouse

CWE

CWE-125

Out-of-bounds Read

CWE-191

Integer Underflow (Wrap or Wraparound)

CWE-787

Out-of-bounds Write

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