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Vulnerability record · CVE-2006-6026 · published 21 November 2006

CVE-2006-6026: Realnetworks helix dna server memory buffer overflow vulnerability

RRealnetworks · Helix Dna Server

Heap-based buffer overflow in Real Networks Helix Server and Helix Mobile Server before 11.1.3, and Helix DNA Server 11.0 and 11.1, allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a DESCRIBE request that contains an invalid LoadTestPassword field.

10.0 CVSS 2.0 High EPSS 11% · top 4.3% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
24References
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in Real Networks Helix Server and Helix Mobile Server before 11.1.3, and Helix DNA Server 11.0 and 11.1, allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a DESCRIBE request that contains an invalid LoadTestPassword field.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://docs.real.com/docs/security/SecurityUpdate032107Server.pdf
http://gleg.net/helix.txt
http://lists.helixcommunity.org/pipermail/server-cvs/2007-January/003783.html
http://secunia.com/advisories/22944 Vendor Advisory
http://web.archive.org/web/20060502082622/www.gleg.net/vulndisco_pack_professional.shtml
http://www.attrition.org/pipermail/vim/2007-March/001459.html
http://www.attrition.org/pipermail/vim/2007-March/001468.html
http://www.securityfocus.com/archive/1/463333/100/0/threaded
http://www.securityfocus.com/bid/21141
http://www.securityfocus.com/bid/23068
http://www.vupen.com/english/advisories/2007/1056 Vendor Advisory
https://www.exploit-db.com/exploits/3531
http://docs.real.com/docs/security/SecurityUpdate032107Server.pdf
http://gleg.net/helix.txt
http://lists.helixcommunity.org/pipermail/server-cvs/2007-January/003783.html
http://secunia.com/advisories/22944 Vendor Advisory
http://web.archive.org/web/20060502082622/www.gleg.net/vulndisco_pack_professional.shtml
http://www.attrition.org/pipermail/vim/2007-March/001459.html
http://www.attrition.org/pipermail/vim/2007-March/001468.html
http://www.securityfocus.com/archive/1/463333/100/0/threaded
http://www.securityfocus.com/bid/21141
http://www.securityfocus.com/bid/23068
http://www.vupen.com/english/advisories/2007/1056 Vendor Advisory
https://www.exploit-db.com/exploits/3531

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2010-4235Realnetworks helix server vulnerabilityFormat string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server 12.x, 13.x, and 14.x before 14.2, …EPSS 4.1%10.0CVE-2010-1318RealNetworks Helix Server AgentX++ stack buffer overflowA stack-based buffer overflow exists in the AgentX::receive_agentx function of AgentX++ 1.4.16, which is used in RealNetworks Helix Server and Helix …EPSS 58%analysed10.0CVE-2010-1319Realnetworks helix mobile server vulnerabilityInteger overflow in the AgentX::receive_agentx function in AgentX++ 1.4.16, as used in RealNetworks Helix Server and Helix Mobile Server 11.x through…EPSS 5.1%10.0CVE-2008-5911Realnetworks helix server memory buffer overflow vulnerabilityMultiple buffer overflows in RealNetworks Helix Server and Helix Mobile Server 11.x before 11.1.8 and 12.x before 12.0.1 allow remote attackers to (1…EPSS 6.2%10.0CVE-2007-4561Realnetworks helix dna server improper input validation vulnerabilityHeap-based buffer overflow in the RTSP service in Helix DNA Server before 11.1.4 allows remote attackers to execute arbitrary code via an RSTP comman…EPSS 5.5%9.3CVE-2010-4596Realnetworks helix server memory buffer overflow vulnerabilityStack-based buffer overflow in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server 12.x, 13.x, and 14.x before 14.2, …EPSS 5.0%7.5CVE-2012-0942Realnetworks helix server memory buffer overflow vulnerabilityBuffer overflow in rn5auth.dll in RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x allows remote attackers to execute arbitrary c…EPSS 4.1%7.5CVE-2010-1317Realnetworks helix dna server memory buffer overflow vulnerabilityHeap-based buffer overflow in the NTLM authentication functionality in RealNetworks Helix Server and Helix Mobile Server 11.x, 12.x, and 13.x allows …EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2006-6026), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.