Description
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.
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| activemq | โ | โ |
| org.apache.activemq:activemq-all | 6.0.0 | 6.2.4 |
| org.apache.activemq:activemq-mqtt | 6.0.0 | 6.2.4 |
| org.apache.activemq:apache-activemq | 6.0.0 | 6.2.4 |
| unknown | โ | โ |
References
Similar Threats
- Unknown CLEANSTART-2026-KT07616
- Unknown CLEANSTART-2026-MQ18886
- Unknown CLEANSTART-2026-NU19941
- Medium CVE-2020-1941
- High CVE-2020-26217
Site Security Check
Concerned your site may already be targeted?
BotEraser analyzes incoming traffic patterns and helps identify bot behavior consistent with known exploit attempts.
Check My Site Free โNo credit card required ยท Results in minutes
ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.