RealNetworks Helix Server and Helix Mobile Server before 13.0.0 allow remote attackers to…
Priority LOW 34CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
RealNetworks Helix Server and Helix Mobile Server before 13.0.0 allow remote attackers to cause a denial of service (daemon crash) via an RTSP SETUP request that (1) specifies the / URI or (2) lacks a / character in the URI.
Why it matters now
EPSS 0.08827 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and 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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realnetworks:helix_server:*:*:*:*:*:*:*:* | up to 12.0.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server:12.0.0:*:*:*:*:*:*:* | 12.0.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server_mobile:*:*:*:*:*:*:*:* | up to 12.0.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server_mobile:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | RealNetworks |
- cpe:2.3:a:realnetworks:helix_server:*:*:*:*:*:*:*:* Versions up to 12.0.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server_mobile:*:*:*:*:*:*:*:* Versions up to 12.0.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server_mobile:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·RealNetworks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2534
- 2026-10-03 Alias added: GHSA-wcpv-6xc3-pvh5
References
More RealNetworks Helix Server vulnerabilities
- TI-2010-01273 Stack-based buffer overflow in the AgentX::receive_agentx function in AgentX++ 1.4.16, as… CVSS 2.0HIGH 10.0
- TI-2006-05794 Heap-based buffer overflow in Real Networks Helix Server and Helix Mobile Server before… CVSS 2.0HIGH 10.0
- TI-2008-05607 Multiple buffer overflows in RealNetworks Helix Server and Helix Mobile Server 11.x… CVSS 2.0HIGH 10.0
- TI-2010-01274 Integer overflow in the AgentX::receive_agentx function in AgentX++ 1.4.16, as used in… CVSS 2.0HIGH 10.0
- TI-2010-03985 Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before… CVSS 2.0HIGH 10.0
- TI-2010-04321 Stack-based buffer overflow in RealNetworks Helix Server 12.x, 13.x, and 14.x before… CVSS 2.0HIGH 9.3
Sources
- CVE-2009-2534 · CVE Program
- CVE-2009-2534 · NVD
- FIRST EPSS
- GHSA-wcpv-6xc3-pvh5 · 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