Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broker will crash with OOM. This issue affects Apache ActiveMQ Broker: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ All: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7. Users are recommended to upgrade to version 6.2.7, which fixes the issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.19.7CPE matchmatch criteria | cpe:2.3:a:apache:activemq:5.19.7:*:*:*:*:*:*:* | ||
6.2.6CPE matchmatch criteria | cpe:2.3:a:apache:activemq:6.2.6:*:*:*:*:*:*:* | ||
5.19.7CPE matchmatch criteria | cpe:2.3:a:apache:activemq_broker:5.19.7:*:*:*:*:*:*:* | ||
6.2.6CPE matchmatch criteria | cpe:2.3:a:apache:activemq_broker:6.2.6:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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