{"schemaVersion":3,"id":"CVE-2022-44011","aliases":["UBUNTU-CVE-2022-44011","DEBIAN-CVE-2022-44011"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2023-11-23T00:00:00.000Z","modified":"2024-08-03T13:47:05.424Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":7.2,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":7.2,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00705,"percentile":0.52797,"severity":"low","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-22T00:00:00.000Z","baselineScore":0.00705},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00705,"percentile":0.52797}],"last30":[{"date":"2026-09-22T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00705,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00705,"percentile":0.52797}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"clickhouse","product":"clickhouse","name":"clickhouse","label":"clickhouse","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 22.3.12.19","noFixRecorded":false,"fixedIn":null},{"text":"≥ 22.6, < 22.6.6.16","noFixRecorded":false,"fixedIn":null},{"text":"≥ 22.7, < 22.7.4.16","noFixRecorded":false,"fixedIn":null},{"text":"≥ 22.8, < 22.8.2.11","noFixRecorded":false,"fixedIn":null},{"text":"≥ 22.9, < 22.9.1.2603","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 22.3.12.19 | ≥ 22.6, < 22.6.6.16 | ≥ 22.7, < 22.7.4.16 | ≥ 22.8, < 22.8.2.11 | ≥ 22.9, < 22.9.1.2603","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"clickhouse","label":"ClickHouse","category":"database"}},"hubHref":"/vendor/clickhouse/clickhouse"},{"vendor":"debian","product":"clickhouse","name":"clickhouse","label":"clickhouse","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/clickhouse","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"clickhouse","label":"ClickHouse","category":"database"}},"hubHref":null},{"vendor":"ubuntu","product":"clickhouse","name":"clickhouse","label":"clickhouse","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/clickhouse","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"clickhouse","label":"ClickHouse","category":"database"}},"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://clickhouse.com","label":"clickhouse.com","hostname":"clickhouse.com","tags":["REPORT","Product"]},{"url":"https://ubuntu.com/security/CVE-2022-44011","label":"ubuntu.com/security/CVE-2022-44011","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://github.com/ClickHouse/ClickHouse/pull/40241","label":"github.com/ClickHouse/ClickHouse/pull/40241","hostname":"github.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-44011","label":"www.cve.org/CVERecord?id=CVE-2022-44011","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-44011","label":"security-tracker.debian.org/tracker/CVE-2022-44011","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-11-23T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T13:47:05.424Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T17:41:31.711Z","stale":false,"partial":false}}