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Vulnerability record · CVE-2006-3276 · published 28 June 2006

CVE-2006-3276: Realnetworks helix dna server vulnerability

RRealnetworks · Helix Dna Server

Heap-based buffer overflow in RealNetworks Helix DNA Server 10.0 and 11.0 allows remote attackers to execute arbitrary code via (1) a long User-Agent HTTP header in the RTSP service and (2) unspecified vectors involving the "parsing of HTTP URL schemes".

7.5 CVSS 2.0 High EPSS 14% · top 3.6%
7.5CVSS 2.0 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in RealNetworks Helix DNA Server 10.0 and 11.0 allows remote attackers to execute arbitrary code via (1) a long User-Agent HTTP header in the RTSP service and (2) unspecified vectors involving the "parsing of HTTP URL schemes".

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

Affected products

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

References

LinkTags
http://archives.neohapsis.com/archives/fulldisclosure/2006-06/0600.html
http://labs.musecurity.com/advisories/MU-200606-01.txt
http://secunia.com/advisories/20784 PatchVendor Advisory
http://securitytracker.com/id?1016365
http://www.osvdb.org/26799
http://www.securityfocus.com/bid/18606
http://www.vupen.com/english/advisories/2006/2521
https://exchange.xforce.ibmcloud.com/vulnerabilities/27316
https://exchange.xforce.ibmcloud.com/vulnerabilities/27317
http://archives.neohapsis.com/archives/fulldisclosure/2006-06/0600.html
http://labs.musecurity.com/advisories/MU-200606-01.txt
http://secunia.com/advisories/20784 PatchVendor Advisory
http://securitytracker.com/id?1016365
http://www.osvdb.org/26799
http://www.securityfocus.com/bid/18606
http://www.vupen.com/english/advisories/2006/2521
https://exchange.xforce.ibmcloud.com/vulnerabilities/27316
https://exchange.xforce.ibmcloud.com/vulnerabilities/27317

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Related vulnerabilities

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

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%10.0CVE-2006-6026Realnetworks helix dna server memory buffer overflow vulnerabilityHeap-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 att…EPSS 11%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-2006-3276), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.