Buffer overflow in rn5auth.dll in RealNetworks Helix Server and Helix Mobile Server 14.x…
Priority MEDIUM 40CWE-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
- Partial · Partial · Partial
- 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
Buffer overflow in rn5auth.dll in RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x allows remote attackers to execute arbitrary code via crafted authentication credentials.
Why it matters now
EPSS 0.04121 90th percentileScored 2026-11-07
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_server:14.0.0:*:*:*:*:*:*:* | 14.0.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server:14.0.1:*:*:*:*:*:*:* | 14.0.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server:14.2:*:*:*:*:*:*:* | 14.2 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_server:14.2.0.212:*:*:*:*:*:*:* | 14.2.0.212 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_mobile_server:14.0.0:*:*:*:*:*:*:* | 14.0.0 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_mobile_server:14.0.1:*:*:*:*:*:*:* | 14.0.1 | Vulnerable | RealNetworks |
- cpe:2.3:a:realnetworks:helix_server:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server:14.0.1:*:*:*:*:*:*:* Versions 14.0.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server:14.2:*:*:*:*:*:*:* Versions 14.2 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_server:14.2.0.212:*:*:*:*:*:*:* Versions 14.2.0.212 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_mobile_server:14.0.0:*:*:*:*:*:*:* Versions 14.0.0 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_mobile_server:14.0.1:*:*:*:*:*:*:* Versions 14.0.1 Vulnerable ·RealNetworks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0942
- 2026-10-03 Alias added: GHSA-v9c9-26gp-xp38
References
More RealNetworks Helix Mobile 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-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
- TI-2012-01700 RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x store passwords in… CVSS 2.0LOW 2.1
Sources
- CVE-2012-0942 · CVE Program
- CVE-2012-0942 · NVD
- FIRST EPSS
- GHSA-v9c9-26gp-xp38 · 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