CVE-2021-43305

Heap buffer overflow in Clickhouse's LZ4 compression codec when parsing a malicious query. There is no verification that the copy operations in the LZ4::decompressImpl loop and especially the arbitrary copy operation wildCopyop, ip, copyend, don’t exceed the destination buffer’s limits. This issu...

CVE-2021-42387

Heap out-of-bounds read in Clickhouse's LZ4 compression codec when parsing a malicious query. As part of the LZ4::decompressImpl loop, a 16-bit unsigned user-supplied value 'offset' is read from the compressed data. The offset is later used in the length of a copy operation, without checking the...

CVE-2020-26759

clickhouse-driver before 0.1.5 allows a malicious clickhouse server to trigger a crash or execute arbitrary code on a database client via a crafted server response, due to a buffer overflow...

CVE-2019-15024

In all versions of ClickHouse before 19.14.3, an attacker having write access to ZooKeeper and who is able to run a custom server available from the network where ClickHouse runs, can create a custom-built malicious server that will act as a ClickHouse replica and register it in ZooKeeper. When...

CVE-2019-18657

ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function...

CVE-2018-14668

In ClickHouse before 1.1.54388, "remote" table function allowed arbitrary symbols in "user", "password" and "defaultdatabase" fields which led to Cross Protocol Request Forgery Attacks...

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...

CVE-2018-14672

In ClickHouse before 18.12.13, functions for loading CatBoost models allowed path traversal and reading arbitrary files through error messages...

CVE-2019-16536

Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3...

DEBIAN-CVE-2019-16536

Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3...

CVE-2019-16536

Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3...

UBUNTU-CVE-2019-16536

Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3...

CVE-2019-16536 Stack overflow leading to DoS can be triggered by a malicious authenticated client.

Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3...

CVE-2019-16536 Stack overflow leading to DoS can be triggered by a malicious authenticated client.

Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3...

CVE-2019-16536

CVE-2019-16536 : A stack overflow causing DoS can be triggered by a malicious authenticated client in ClickHouse prior to 19.14.3.3. The available sources consistently describe a DoS outcome from a stack overflow, but do not provide exploit details, affected versions beyond the stated range, or c...

CVE-2019-16536

Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3...

ClickHouse 安全漏洞

ClickHouse is a ClickHouse open source one of the fastest and most resource efficient open source databases for real-time applications and analytics. A security vulnerability exists in ClickHouse versions prior to 19.14.3.3 that originates from a malicious authenticated client that could trigger ...

PT-2025-22327 · Unknown +1 · Clickhouse +1

Name of the Vulnerable Software and Affected Versions: Clickhouse versions prior to 19.14.3.3 Description: A stack overflow leading to a denial of service DoS can be triggered by a malicious authenticated client. Recommendations: For versions prior to 19.14.3.3, update to version 19.14.3.3 or lat...

CVE-2025-1520

PostHog ClickHouse Table Functions SQL Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of PostHog. Authentication is required to exploit this vulnerability. The specific flaw exists within the...

CVE-2025-1520 PostHog ClickHouse Table Functions SQL Injection Remote Code Execution Vulnerability

PostHog ClickHouse Table Functions SQL Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of PostHog. Authentication is required to exploit this vulnerability. The specific flaw exists within the...