{"cve":"CVE-2026-49361","nvd":{"published":"2026-06-01T09:16:20.880","modified":"2026-07-22T07:10:00.107","status":"Analyzed","description":"Apache Fluss versions prior to 0.9.1 configure the Netty LengthFieldBasedFrameDecoder with Integer.MAX_VALUE as the maximum frame length, allowing unauthenticated remote attackers to exhaust JVM heap memory on TabletServer and CoordinatorServer by sending specially crafted frame headers, resulting in denial of service.\n\nThis issue affects Apache Fluss (incubating): 0.8.0 and 0.9.0.\n\nUsers are recommended to upgrade to version 0.9.1, which fixes the issue.","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-400","CWE-770"],"references":["https://lists.apache.org/thread/dccw6tj0njwtmvbftq13mw7fdhsok373","http://www.openwall.com/lists/oss-security/2026/05/30/5"],"products":["apache:fluss"],"source":"nvd","synced_at":"2026-10-19T22:37:48.043517290+00:00"},"epss":{"cve":"CVE-2026-49361","score":0.00831,"percentile":0.57594,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4c39-fwgj-4vq7","url":"https://osv.dev/vulnerability/GHSA-4c39-fwgj-4vq7","summary":"Apache Fluss: Unauthenticated remote attackers can exhaust JVM heap memory using crafted frame headers via TabletServer/CoordinatorServer","modified":"2026-07-08T20:11:36.427330Z","packages":[{"ecosystem":"Maven","name":"org.apache.fluss:fluss-common","purl":"pkg:maven/org.apache.fluss/fluss-common","ranges":[">=0.8.0-incubating-rc1 <0.9.1-incubating"],"fixed":["0.9.1-incubating"]}]}],"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."]}