RealNetworks Helix Universal Server 9.0.1 and 9.0.2 allows remote attackers to cause a…
Priority HIGH 66CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
RealNetworks Helix Universal Server 9.0.1 and 9.0.2 allows remote attackers to cause a denial of service (crash) via malformed requests that trigger a null dereference, as demonstrated using (1) GET_PARAMETER or (2) DESCRIBE requests.
Why it matters now
EPSS 0.54923 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:realnetworks:helix_universal_server:9.0.1:*:*:*:*:*:*:* | 9.0.1 | Vulnerable | RealNetworks |
| cpe:2.3:a:realnetworks:helix_universal_server:9.0.2:*:*:*:*:*:*:* | 9.0.2 | Vulnerable | RealNetworks |
- cpe:2.3:a:realnetworks:helix_universal_server:9.0.1:*:*:*:*:*:*:* Versions 9.0.1 Vulnerable ·RealNetworks
- cpe:2.3:a:realnetworks:helix_universal_server:9.0.2:*:*:*:*:*:*:* Versions 9.0.2 Vulnerable ·RealNetworks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0389
- 2026-10-03 Alias added: GHSA-rc8v-wc74-5x2x
- 2026-10-04 EPSS moved to the 99th percentile and above
References
More RealNetworks Helix Universal Server vulnerabilities
- TI-2002-01564 Multiple buffer overflows in RealNetworks Helix Universal Server 9.0 (9.0.2.768) allow… CVSS 2.0HIGH 7.5
- TI-2003-00669 Buffer overflow in the RTSP protocol parser for the View Source plug-in (vsrcplin.so or… CVSS 2.0HIGH 7.5
- TI-2004-00713 RealNetworks Helix Universal Server 9.0.2 for Linux and 9.0.3 for Windows allows remote… CVSS 2.0HIGH 7.8
- TI-2004-00037 Helix Universal Server/Proxy 9 and Mobile Server 10 allow remote attackers to cause a… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2004-0389 · CVE Program
- CVE-2004-0389 · NVD
- FIRST EPSS
- GHSA-rc8v-wc74-5x2x · 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