CVE-2026-39304
high
CVSS v3
7.5
CVSS v4 NEW
โ
VIR risk
7.5
Description
Apache ActiveMQ: Denial of Service via Out of Memory vulnerability
Predictions
Exploit likelihood
83%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | โ |
| sid | Affected | โ |
| bullseye | Affected | โ |
| bookworm | Affected | โ |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.apache.activemq:activemq-client | <5.19.4 | 5.19.4 |
| Maven | org.apache.activemq:activemq-client | >=6.0.0,<6.2.4 | 6.2.4 |
| Maven | org.apache.activemq:activemq-broker | <5.19.4 | 5.19.4 |
| Maven | org.apache.activemq:activemq-broker | >=6.0.0,<6.2.4 | 6.2.4 |
| Maven | org.apache.activemq:activemq-all | <5.19.4 | 5.19.4 |
| Maven | org.apache.activemq:activemq-all | >=6.0.0,<6.2.4 | 6.2.4 |
| Maven | org.apache.activemq:apache-activemq | <5.19.4 | 5.19.4 |
| Maven | org.apache.activemq:apache-activemq | >=6.0.0,<6.2.4 | 6.2.4 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| apache | activemq | {"endExcluding":"5.19.4"} | 5.19.4 |
| apache | activemq_broker | {"endExcluding":"5.19.4"} | 5.19.4 |
References
CWEs
CWE-400
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.