CVE-2006-6026

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 11.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-11-21 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

RealNetworks Helix Dna Server: 11.0, 11.1
RealNetworks Helix Mobile Server: through 11.1.2
RealNetworks Helix Server: through 11.1.2; 11.0, 11.1

References

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
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
https://www.exploit-db.com/exploits/3531

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