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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:maven/org.apache.activemq/activemq-mqtt@6.1.9
Typemaven
Namespaceorg.apache.activemq
Nameactivemq-mqtt
Version6.1.9
Qualifiers
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version6.2.1
Latest_non_vulnerable_version6.2.4
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-h2w2-ur19-tkcz
vulnerability_id VCID-h2w2-ur19-tkcz
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://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
2
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
url https://lists.apache.org/thread/13n8mkrb2jf2y6yyhpgrkmpqcm7djyto
3
reference_url https://www.cve.org/CVERecord?id=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://www.cve.org/CVERecord?id=CVE-2026-40046
4
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
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
6
reference_url https://nvd.nist.gov/vuln/detail/CVE-2025-66168
reference_id CVE-2025-66168
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
7
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
url https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt
8
reference_url https://github.com/advisories/GHSA-c825-6ph3-4h84
reference_id GHSA-c825-6ph3-4h84
reference_type
scores
url https://github.com/advisories/GHSA-c825-6ph3-4h84
fixed_packages
0
url pkg:maven/org.apache.activemq/activemq-mqtt@5.19.2
purl pkg:maven/org.apache.activemq/activemq-mqtt@5.19.2
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.activemq/activemq-mqtt@5.19.2
1
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
2
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-h2w2-ur19-tkcz
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:maven/org.apache.activemq/activemq-mqtt@6.1.9