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No exploitation reportedFix available

CVE-2022-44011

No exploitation reported by the sources we read.

  • Published2023-11-23
  • Fixed in22.9.1.2603 · 22.8.2.11 · 22.7.4.16 · 22.6.6.16 · 22.3.12.19
  • WeaknessCWE-787

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

An issue was discovered in ClickHouse before 22.9.1.2603. An authenticated user (with the ability to load data) could cause a heap buffer overflow and crash the server by inserting a malformed CapnProto object. The fixed versions are 22.9.1.2603, 22.8.2.11, 22.7.4.16, 22.6.6.16, and 22.3.12.19.

Timeline

dates in UTC
  1. 2023-11-2316:15CVE publishedNVD

Versions per branch

NVD
Clickhouse
BranchAffectedFixed in
22.9≥ 22.9, < 22.9.1.260322.9.1.2603
22.8≥ 22.8, < 22.8.2.1122.8.2.11
22.7≥ 22.7, < 22.7.4.1622.7.4.16
22.6≥ 22.6, < 22.6.6.1622.6.6.16
22.3< 22.3.12.1922.3.12.19

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

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 22.9.1.2603 · 22.8.2.11 · 22.7.4.16 · 22.6.6.16 · 22.3.12.19

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:N/I:N/A:H
Published
2023-11-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-4xq2-q58f-2q5m

Frequently asked questions

What is CVE-2022-44011?

An issue was discovered in ClickHouse before 22.9.1.2603. An authenticated user (with the ability to load data) could cause a heap buffer overflow and crash the server by inserting a malformed CapnProto object. The fixed versions are 22.9.1.2603, 22.8.2.11, 22.7.4.16, 22.6.6.16, and 22.3.12.19.

Is CVE-2022-44011 actively exploited?

Active exploitation of CVE-2022-44011 has not been confirmed. Its EPSS score was 0.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-44011?

CVE-2022-44011 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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