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Lookup for vulnerable packages by Package URL.

Purlpkg:maven/org.apache.activemq/activemq-mqtt@6.0.0
Typemaven
Namespaceorg.apache.activemq
Nameactivemq-mqtt
Version6.0.0
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version6.2.1
Latest_non_vulnerable_version6.2.4
Affected_by_vulnerabilities
0
url VCID-bktu-qch2-5ugv
vulnerability_id VCID-bktu-qch2-5ugv
summary 
Apache ActiveMQ is Vulnerable to Integer Overflow or Wraparound
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 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.

This issue affects Apache ActiveMQ: before 5.19.2, 6.0.0 to 6.1.8, and 6.2.0

Users are recommended to upgrade to version 5.19.2, 6.1.9, or 6.2.1, which fixes the issue.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-66168.json
reference_id
reference_type
scores
0
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
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2025-66168
reference_id
reference_type
scores
0
value 0.00031
scoring_system epss
scoring_elements 0.08873
published_at 2026-04-02T12:55:00Z
1
value 0.00031
scoring_system epss
scoring_elements 0.08923
published_at 2026-04-04T12:55:00Z
2
value 0.00042
scoring_system epss
scoring_elements 0.12656
published_at 2026-04-07T12:55:00Z
3
value 0.00042
scoring_system epss
scoring_elements 0.12787
published_at 2026-04-09T12:55:00Z
4
value 0.00042
scoring_system epss
scoring_elements 0.12735
published_at 2026-04-08T12:55:00Z
5
value 0.00068
scoring_system epss
scoring_elements 0.2092
published_at 2026-04-29T12:55:00Z
6
value 0.00069
scoring_system epss
scoring_elements 0.21168
published_at 2026-04-12T12:55:00Z
7
value 0.00069
scoring_system epss
scoring_elements 0.20967
published_at 2026-04-24T12:55:00Z
8
value 0.00069
scoring_system epss
scoring_elements 0.21095
published_at 2026-04-21T12:55:00Z
9
value 0.00069
scoring_system epss
scoring_elements 0.21118
published_at 2026-04-18T12:55:00Z
10
value 0.00069
scoring_system epss
scoring_elements 0.21109
published_at 2026-04-16T12:55:00Z
11
value 0.00069
scoring_system epss
scoring_elements 0.21211
published_at 2026-04-11T12:55:00Z
12
value 0.00069
scoring_system epss
scoring_elements 0.21116
published_at 2026-04-13T12:55:00Z
13
value 0.00069
scoring_system epss
scoring_elements 0.2097
published_at 2026-04-26T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2025-66168
2
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
3
reference_url https://github.com/apache/activemq
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/apache/activemq
4
reference_url https://lists.apache.org/thread/13n8mkrb2jf2y6yyhpgrkmpqcm7djyto
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
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
5
reference_url https://nvd.nist.gov/vuln/detail/CVE-2025-66168
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2025-66168
6
reference_url http://www.openwall.com/lists/oss-security/2026/03/03/5
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url http://www.openwall.com/lists/oss-security/2026/03/03/5
7
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
8
reference_url https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt
reference_id CVE-2026-40046-announcement.txt
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
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
9
reference_url https://www.cve.org/CVERecord?id=CVE-2026-40046
reference_id CVERecord?id=CVE-2026-40046
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
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
10
reference_url https://github.com/advisories/GHSA-c825-6ph3-4h84
reference_id GHSA-c825-6ph3-4h84
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-c825-6ph3-4h84
fixed_packages
0
url pkg:maven/org.apache.activemq/activemq-mqtt@6.1.9
purl pkg:maven/org.apache.activemq/activemq-mqtt@6.1.9
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.activemq/activemq-mqtt@6.1.9
1
url pkg:maven/org.apache.activemq/activemq-mqtt@6.2.1
purl pkg:maven/org.apache.activemq/activemq-mqtt@6.2.1
is_vulnerable false
affected_by_vulnerabilities
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
1
url VCID-tyaw-6dpw-mudm
vulnerability_id VCID-tyaw-6dpw-mudm
summary 
Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT vulnerable to Integer Overflow or Wraparound
Integer Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT.

The 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.

Users 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
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40046.json
reference_id
reference_type
scores
0
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
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-40046
reference_id
reference_type
scores
0
value 0.00038
scoring_system epss
scoring_elements 0.11399
published_at 2026-04-11T12:55:00Z
1
value 0.00038
scoring_system epss
scoring_elements 0.11336
published_at 2026-04-13T12:55:00Z
2
value 0.00038
scoring_system epss
scoring_elements 0.11365
published_at 2026-04-12T12:55:00Z
3
value 0.0005
scoring_system epss
scoring_elements 0.15279
published_at 2026-04-29T12:55:00Z
4
value 0.0005
scoring_system epss
scoring_elements 0.15243
published_at 2026-04-16T12:55:00Z
5
value 0.0005
scoring_system epss
scoring_elements 0.15247
published_at 2026-04-18T12:55:00Z
6
value 0.0005
scoring_system epss
scoring_elements 0.15298
published_at 2026-04-21T12:55:00Z
7
value 0.0005
scoring_system epss
scoring_elements 0.15337
published_at 2026-04-24T12:55:00Z
8
value 0.0005
scoring_system epss
scoring_elements 0.15334
published_at 2026-04-26T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-40046
2
reference_url https://lists.apache.org/thread/zdntj5rcgjjzrpow84o339lzldy68zrg
reference_id
reference_type
scores
0
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
1
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
2
value MODERATE
scoring_system generic_textual
scoring_elements
3
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
3
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-40046
reference_id
reference_type
scores
0
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
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-40046
4
reference_url https://www.cve.org/CVERecord?id=CVE-2025-66168
reference_id
reference_type
scores
0
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
1
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
2
value MODERATE
scoring_system generic_textual
scoring_elements
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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
5
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
6
reference_url https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt
reference_id CVE-2026-40046-announcement.txt
reference_type
scores
0
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
1
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
2
value MODERATE
scoring_system generic_textual
scoring_elements
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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
7
reference_url https://github.com/advisories/GHSA-xvqc-pp94-fmpx
reference_id GHSA-xvqc-pp94-fmpx
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-xvqc-pp94-fmpx
fixed_packages
0
url pkg:maven/org.apache.activemq/activemq-mqtt@6.2.4
purl pkg:maven/org.apache.activemq/activemq-mqtt@6.2.4
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.activemq/activemq-mqtt@6.2.4
aliases CVE-2026-40046, GHSA-xvqc-pp94-fmpx
risk_score 3.4
exploitability 0.5
weighted_severity 6.8
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-tyaw-6dpw-mudm
Fixing_vulnerabilities
Risk_score3.4
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:maven/org.apache.activemq/activemq-mqtt@6.0.0