{"cve":"CVE-2022-34917","nvd":{"published":"2022-09-20T09:15:09.437","modified":"2026-06-17T04:51:09.120","status":"Modified","description":"A security vulnerability has been identified in Apache Kafka. It affects all releases since 2.8.0. The vulnerability allows malicious unauthenticated clients to allocate large amounts of memory on brokers. This can lead to brokers hitting OutOfMemoryException and causing denial of service. Example scenarios: - Kafka cluster without authentication: Any clients able to establish a network connection to a broker can trigger the issue. - Kafka cluster with SASL authentication: Any clients able to establish a network connection to a broker, without the need for valid SASL credentials, can trigger the issue. - Kafka cluster with TLS authentication: Only clients able to successfully authenticate via TLS can trigger the issue. We advise the users to upgrade the Kafka installations to one of the 3.2.3, 3.1.2, 3.0.2, 2.8.2 versions.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770","CWE-789"],"references":["https://kafka.apache.org/cve-list","https://kafka.apache.org/cve-list"],"products":["apache:kafka"],"source":"nvd","synced_at":"2026-10-19T21:35:14.992143698+00:00"},"epss":{"cve":"CVE-2022-34917","score":0.01483,"percentile":0.73978,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c9h3-c6qj-hh7q","url":"https://osv.dev/vulnerability/GHSA-c9h3-c6qj-hh7q","summary":"Apache Kafka vulnerability can lead to brokers hitting OutOfMemoryException, causing Denial of Service","modified":"2024-05-08T17:44:34Z","packages":[{"ecosystem":"Maven","name":"org.apache.kafka:kafka","purl":"pkg:maven/org.apache.kafka/kafka","ranges":[">=2.8.0 <2.8.2"],"fixed":["2.8.2"]},{"ecosystem":"Maven","name":"org.apache.kafka:kafka","purl":"pkg:maven/org.apache.kafka/kafka","ranges":[">=3.0.0 <3.0.2"],"fixed":["3.0.2"]},{"ecosystem":"Maven","name":"org.apache.kafka:kafka","purl":"pkg:maven/org.apache.kafka/kafka","ranges":[">=3.1.0 <3.1.2"],"fixed":["3.1.2"]},{"ecosystem":"Maven","name":"org.apache.kafka:kafka","purl":"pkg:maven/org.apache.kafka/kafka","ranges":[">=3.2.0 <3.2.3"],"fixed":["3.2.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}