CVE-2026-50734
EUVD-2026-4028230.06.2026, 11:16
Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All. An unauthenticated network attacker can cause a broker DoS by sending a crafted WireFormatInfo frame with a malicious large size value. The value is not validate and causes the broker to attempt allocation during pre-auth negotiation which can trigger OOM and crash the broker. This issue affects Apache ActiveMQ Client: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ All: before 5.19.8, from 6.0.0 before 6.2.7. Users are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| apache | activemq | 𝑥 < 5.19.8 |
| apache | activemq | 6.0.0 ≤ 𝑥 < 6.2.7 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources
(CNA/ADP records, vendor advisories, Enginsight analysis).
| Vendor | Product | Version | Source |
|---|---|---|---|
| apache | activemq_all | 𝑥 < 5.19.8 | CNA |
| apache | activemq_all | 6.0.0 ≤ 𝑥 < 6.2.7 | CNA |
Debian Releases
Ubuntu Releases
Common Weakness Enumeration