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CVE-2025-66168

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the  following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://www.cve.org/CVERecord?id=CVE-2026-40046 Original Report: Apache ActiveMQ does not properly validate the remaining length field which may lead to an overflow during the decoding of malformed packets. When this integer overflow occurs, ActiveMQ may incorrectl
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a44c2af6a7d84f9de65ded2d8969b1fe84ba0b2ee20a88d317e0cb9cbe50bdce
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-mqtt","product":"Apache ActiveMQ MQTT Module","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.2","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.1.9","status":"affected","version":"6.0.0","versionType":"semver"},{"lessThan":"6.2.1","status":"affected","version":"6.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/affected/2

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:apache-activemq","product":"Apache ActiveMQ","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.2","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.1.9","status":"affected","version":"6.0.0","versionType":"semver"},{"lessThan":"6.2.1","status":"affected","version":"6.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/affected/0

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-all","product":"Apache ActiveMQ All Module","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.2","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.1.9","status":"affected","version":"6.0.0","versionType":"semver"},{"lessThan":"6.2.1","status":"affected","version":"6.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/affected/1

Affected products and versions

3 source assertions
{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-mqtt","product":"Apache ActiveMQ MQTT Module","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.2","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.1.9","status":"affected","version":"6.0.0","versionType":"semver"},{"lessThan":"6.2.1","status":"affected","version":"6.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/affected/2
{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:apache-activemq","product":"Apache ActiveMQ","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.2","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.1.9","status":"affected","version":"6.0.0","versionType":"semver"},{"lessThan":"6.2.1","status":"affected","version":"6.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/affected/0
{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-all","product":"Apache ActiveMQ All Module","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.2","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.1.9","status":"affected","version":"6.0.0","versionType":"semver"},{"lessThan":"6.2.1","status":"affected","version":"6.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/03/03/5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/adp/0/references/0
{"tags":["related"],"url":"https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/references/2
{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/13n8mkrb2jf2y6yyhpgrkmpqcm7djyto"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/references/0
{"tags":["related"],"url":"https://www.cve.org/CVERecord?id=CVE-2026-40046"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b989e1c8858cb55a49addacca5f6f77869551419892612a0debb1564a3f2b07f · sha256:1508f7c917aa4813… · /containers/cna/references/1

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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