CVE-2026-40046
CVE-2026-40046: 1 tracked advisory record across Apache. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Apache
1 advisory- Advisory severityHigh7.5
High [CVE-2025-66168 +1] Apache ActiveMQ: Integer Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT.
CVE-2026-40046Source published Source updated
This bulletin covers 2 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
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.
- Affected products in this advisory
- Apache ActiveMQ
- Apache ActiveMQ All
- Apache ActiveMQ MQTT
- ActiveMQ
- Source-reported affected versions
- 6.0.0 through 6.2.4
- 6.0.0 through 6.2.4.
- Source-reported fixed versions
- 6.2.4
- 5.19.x
- 5.19.2
- 5.19.5
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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