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CVE-2026-49361

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. This issue affects Apache Fluss (incubating): 0.8.0 and 0.9.0. Users are recommended to upgrade to version 0.9.1, which fixes the issue.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cf28eb1086d9e88f78dbc888b0927110fcbf7447e71e663147722d14b4ce7dec
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f07c39577c68641bafe8f7057c0298028662f0edc55c81578ba7ba20a53169bc · sha256:db76e18a517e6b98… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f07c39577c68641bafe8f7057c0298028662f0edc55c81578ba7ba20a53169bc · sha256:db76e18a517e6b98… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Apache Fluss (incubating)","vendor":"Apache Software Foundation","versions":[{"status":"affected","version":"0.8.0","versionType":"semver"},{"status":"affected","version":"0.9.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f07c39577c68641bafe8f7057c0298028662f0edc55c81578ba7ba20a53169bc · sha256:db76e18a517e6b98… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f07c39577c68641bafe8f7057c0298028662f0edc55c81578ba7ba20a53169bc · sha256:db76e18a517e6b98… · /containers/adp/1/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f07c39577c68641bafe8f7057c0298028662f0edc55c81578ba7ba20a53169bc · sha256:db76e18a517e6b98… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f07c39577c68641bafe8f7057c0298028662f0edc55c81578ba7ba20a53169bc · sha256:db76e18a517e6b98… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/05/30/5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f07c39577c68641bafe8f7057c0298028662f0edc55c81578ba7ba20a53169bc · sha256:db76e18a517e6b98… · /containers/adp/0/references/0
{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/dccw6tj0njwtmvbftq13mw7fdhsok373"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f07c39577c68641bafe8f7057c0298028662f0edc55c81578ba7ba20a53169bc · sha256:db76e18a517e6b98… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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