CVE-2011-4905

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-01-05 · updated 2026-06-16
Weakness: CWE-399

Description

Apache ActiveMQ before 5.6.0 allows remote attackers to cause a denial of service (file-descriptor exhaustion and broker crash or hang) by sending many openwire failover:tcp:// connection requests.

Affected products

Apache ActiveMQ: through 5.5.1; 1.1, 1.2, 1.3, 1.4, 1.5, 2.0 (+25)

References

http://openwall.com/lists/oss-security/2011/12/25/2
http://openwall.com/lists/oss-security/2011/12/25/6
http://secunia.com/advisories/47112
http://svn.apache.org/viewvc?view=revision&revision=1209700
http://svn.apache.org/viewvc?view=revision&revision=1211844
http://www.securityfocus.com/bid/50904
https://issues.apache.org/jira/browse/AMQ-3294
http://openwall.com/lists/oss-security/2011/12/25/2
http://openwall.com/lists/oss-security/2011/12/25/6
http://secunia.com/advisories/47112
http://svn.apache.org/viewvc?view=revision&revision=1209700
http://svn.apache.org/viewvc?view=revision&revision=1211844

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