Heap-based buffer overflow in Real Networks Helix Server and Helix Mobile Server before…
Priority MEDIUM 56CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.11304 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realnetworks:helix_dna_server:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_dna_server:11.1:*:*:*:*:*:*:* | 11.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_mobile_server:*:*:*:*:*:*:*:* | up to 11.1.2 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server:*:*:*:*:*:*:*:* | up to 11.1.2 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server:11.1:*:*:*:*:*:*:* | 11.1 | Vulnerable | RealNetworks |
- cpe:2.3:a:realnetworks:helix_dna_server:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_dna_server:11.1:*:*:*:*:*:*:* Versions 11.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_mobile_server:*:*:*:*:*:*:*:* Versions up to 11.1.2 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server:*:*:*:*:*:*:*:* Versions up to 11.1.2 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server:11.1:*:*:*:*:*:*:* Versions 11.1 Vulnerable ·RealNetworks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-6026
- 2026-10-03 Alias added: GHSA-534j-2pp7-6723
References
Exploit 1
Advisory 1
Other 6
- http://gleg.net/helix.txt
- [Server-cvs] 20070131 protocol/rtsp rtspprot.cpp,1.80,1.81
- http://web.archive.org/web/20060502082622/www.gleg.net/vulndisco_pack_professional.shtml
- http://docs.real.com/docs/security/SecurityUpdate032107Server.pdf
- 20070323 Helix Server LoadTestPassword Overflow
- 20070324 Helix Server LoadTestPassword Overflow
More RealNetworks Helix Dna Server vulnerabilities
- TI-2007-04415 Heap-based buffer overflow in the RTSP service in Helix DNA Server before 11.1.4 allows… CVSS 2.0HIGH 10.0
- TI-2006-03175 Heap-based buffer overflow in RealNetworks Helix DNA Server 10.0 and 11.0 allows remote… CVSS 2.0HIGH 7.5
- TI-2010-01272 Heap-based buffer overflow in the NTLM authentication functionality in RealNetworks Helix… CVSS 2.0HIGH 7.5
Sources
- CVE-2006-6026 · CVE Program
- CVE-2006-6026 · NVD
- FIRST EPSS
- GHSA-534j-2pp7-6723 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences