{"url":"http://public2.vulnerablecode.io/api/packages/68170?format=json","purl":"pkg:maven/org.apache.activemq/activemq-mqtt@6.2.0","type":"maven","namespace":"org.apache.activemq","name":"activemq-mqtt","version":"6.2.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"6.2.4","latest_non_vulnerable_version":"6.2.4","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/24984?format=json","vulnerability_id":"VCID-bktu-qch2-5ugv","summary":"Apache ActiveMQ is Vulnerable to Integer Overflow or Wraparound\nApache 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 incorrectly compute the total Remaining Length and subsequently misinterpret the payload as multiple MQTT control packets which makes the broker susceptible to unexpected behavior when interacting with non-compliant clients. This behavior violates the MQTT v3.1.1 specification, which restricts Remaining Length to a maximum of 4 bytes. The scenario occurs on established connections after the authentication process. Brokers that are not enabling mqtt transport connectors are not impacted.\n\nThis issue affects Apache ActiveMQ: before 5.19.2, 6.0.0 to 6.1.8, and 6.2.0\n\nUsers are recommended to upgrade to version 5.19.2, 6.1.9, or 6.2.1, which fixes the issue.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66168.json","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66168.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-66168","reference_id":"","reference_type":"","scores":[{"value":"0.00031","scoring_system":"epss","scoring_elements":"0.08923","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00031","scoring_system":"epss","scoring_elements":"0.08873","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00042","scoring_system":"epss","scoring_elements":"0.12787","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00042","scoring_system":"epss","scoring_elements":"0.12656","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00042","scoring_system":"epss","scoring_elements":"0.12735","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00051","scoring_system":"epss","scoring_elements":"0.15461","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00051","scoring_system":"epss","scoring_elements":"0.15684","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00051","scoring_system":"epss","scoring_elements":"0.15581","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00059","scoring_system":"epss","scoring_elements":"0.18215","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00059","scoring_system":"epss","scoring_elements":"0.18242","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00068","scoring_system":"epss","scoring_elements":"0.2092","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00069","scoring_system":"epss","scoring_elements":"0.21211","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00069","scoring_system":"epss","scoring_elements":"0.2097","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00069","scoring_system":"epss","scoring_elements":"0.20967","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00069","scoring_system":"epss","scoring_elements":"0.21095","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00069","scoring_system":"epss","scoring_elements":"0.21118","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00069","scoring_system":"epss","scoring_elements":"0.21109","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00069","scoring_system":"epss","scoring_elements":"0.21116","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00069","scoring_system":"epss","scoring_elements":"0.21168","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00076","scoring_system":"epss","scoring_elements":"0.22632","published_at":"2026-05-14T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-66168"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-66168","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-66168"},{"reference_url":"https://github.com/apache/activemq","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/apache/activemq"},{"reference_url":"https://lists.apache.org/thread/13n8mkrb2jf2y6yyhpgrkmpqcm7djyto","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-04T20:27:42Z/"}],"url":"https://lists.apache.org/thread/13n8mkrb2jf2y6yyhpgrkmpqcm7djyto"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66168","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66168"},{"reference_url":"http://www.openwall.com/lists/oss-security/2026/03/03/5","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2026/03/03/5"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2444356","reference_id":"2444356","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2444356"},{"reference_url":"https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt","reference_id":"CVE-2026-40046-announcement.txt","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-04T20:27:42Z/"}],"url":"https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt"},{"reference_url":"https://www.cve.org/CVERecord?id=CVE-2026-40046","reference_id":"CVERecord?id=CVE-2026-40046","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-04T20:27:42Z/"}],"url":"https://www.cve.org/CVERecord?id=CVE-2026-40046"},{"reference_url":"https://github.com/advisories/GHSA-c825-6ph3-4h84","reference_id":"GHSA-c825-6ph3-4h84","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-c825-6ph3-4h84"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/68171?format=json","purl":"pkg:maven/org.apache.activemq/activemq-mqtt@6.2.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-tyaw-6dpw-mudm"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.activemq/activemq-mqtt@6.2.1"}],"aliases":["CVE-2025-66168","GHSA-c825-6ph3-4h84"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-bktu-qch2-5ugv"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/351307?format=json","vulnerability_id":"VCID-tyaw-6dpw-mudm","summary":"Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT vulnerable to Integer Overflow or Wraparound\nInteger Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT.\n\nThe fix for \"CVE-2025-66168: MQTT control packet remaining length field is not properly validated\" was only applied to 5.19.2 (and future 5.19.x) releases but was missed for all 6.0.0+ versions. This issue affects Apache ActiveMQ: from 6.0.0 before 6.2.4; Apache ActiveMQ All: from 6.0.0 before 6.2.4; Apache ActiveMQ MQTT: from 6.0.0 before 6.2.4.\n\nUsers are recommended to upgrade to version 6.2.4 or a 5.19.x version starting with 5.19.2 or later (currently latest is 5.19.5), which fixes the issue.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40046.json","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40046.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-40046","reference_id":"","reference_type":"","scores":[{"value":"0.00038","scoring_system":"epss","scoring_elements":"0.11336","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00038","scoring_system":"epss","scoring_elements":"0.11399","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00038","scoring_system":"epss","scoring_elements":"0.11365","published_at":"2026-04-12T12:55:00Z"},{"value":"0.0005","scoring_system":"epss","scoring_elements":"0.15148","published_at":"2026-05-05T12:55:00Z"},{"value":"0.0005","scoring_system":"epss","scoring_elements":"0.15243","published_at":"2026-04-16T12:55:00Z"},{"value":"0.0005","scoring_system":"epss","scoring_elements":"0.15337","published_at":"2026-04-24T12:55:00Z"},{"value":"0.0005","scoring_system":"epss","scoring_elements":"0.15298","published_at":"2026-04-21T12:55:00Z"},{"value":"0.0005","scoring_system":"epss","scoring_elements":"0.15276","published_at":"2026-05-07T12:55:00Z"},{"value":"0.0005","scoring_system":"epss","scoring_elements":"0.15377","published_at":"2026-05-09T12:55:00Z"},{"value":"0.0005","scoring_system":"epss","scoring_elements":"0.15247","published_at":"2026-04-18T12:55:00Z"},{"value":"0.0005","scoring_system":"epss","scoring_elements":"0.15279","published_at":"2026-04-29T12:55:00Z"},{"value":"0.0005","scoring_system":"epss","scoring_elements":"0.15334","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00054","scoring_system":"epss","scoring_elements":"0.1694","published_at":"2026-05-14T12:55:00Z"},{"value":"0.00054","scoring_system":"epss","scoring_elements":"0.1682","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00054","scoring_system":"epss","scoring_elements":"0.16855","published_at":"2026-05-12T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-40046"},{"reference_url":"https://lists.apache.org/thread/zdntj5rcgjjzrpow84o339lzldy68zrg","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T19:39:38Z/"}],"url":"https://lists.apache.org/thread/zdntj5rcgjjzrpow84o339lzldy68zrg"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40046","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40046"},{"reference_url":"https://www.cve.org/CVERecord?id=CVE-2025-66168","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T19:39:38Z/"}],"url":"https://www.cve.org/CVERecord?id=CVE-2025-66168"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2456950","reference_id":"2456950","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2456950"},{"reference_url":"https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt","reference_id":"CVE-2026-40046-announcement.txt","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-10T19:39:38Z/"}],"url":"https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt"},{"reference_url":"https://github.com/advisories/GHSA-xvqc-pp94-fmpx","reference_id":"GHSA-xvqc-pp94-fmpx","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-xvqc-pp94-fmpx"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/1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