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No exploitation reportedFix available

CVE-2019-16536

No exploitation reported by the sources we read.

  • Published2025-05-21
  • Fixed in19.14.3.3
  • WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2025-05-2108:15CVE publishedNVD

Versions per branch

NVD
Clickhouse
BranchAffectedFixed in
19.14< 19.14.3.319.14.3.3

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As yandex, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Clickhouse DBother versions: not affected

    platforms: Linux

    Affected
    • = 19.14.3.3no fix statedsemver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-05-21

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • clickhouseUbuntu:24.04:LTSall versions · no fixed version listed
  • clickhouseUbuntu:20.04:LTSall versions · no fixed version listed
  • clickhouseEchoall versions · no fixed version listed
  • clickhouseDebian:12all versions · no fixed version listed

Full record on NVD

Fix

  1. Update Clickhouse to 19.14.3.3

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-05-21
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-5xwv-wjhm-pv8f

Frequently asked questions

What is CVE-2019-16536?

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

Is CVE-2019-16536 actively exploited?

Active exploitation of CVE-2019-16536 has not been confirmed. Its EPSS score was 0.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-16536?

CVE-2019-16536 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record