Read the docs
TI-2002-01564 Aliases CVE-2002-1643GHSA-xqwh-8hgm-j77v

Multiple buffer overflows in RealNetworks Helix Universal Server 9.0 (9.0.2.768) allow…

Priority HIGH 71Published · 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
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Multiple buffer overflows in RealNetworks Helix Universal Server 9.0 (9.0.2.768) allow remote attackers to execute arbitrary code via (1) a long Transport field in a SETUP RTSP request, (2) a DESCRIBE RTSP request with a long URL argument, or (3) two simultaneous HTTP GET requests with long arguments.

Why it matters now

EPSS 0.74701 99th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:realnetworks:helix_universal_server:9.0:*:*:*:*:*:*:*9.0VulnerableRealNetworks
cpe:2.3:a:realnetworks:helix_universal_server:9.0.2.768:*:*:*:*:*:*:*9.0.2.768VulnerableRealNetworks
  • cpe:2.3:a:realnetworks:helix_universal_server:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·RealNetworks
  • cpe:2.3:a:realnetworks:helix_universal_server:9.0.2.768:*:*:*:*:*:*:* Versions 9.0.2.768 Vulnerable ·RealNetworks

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2002-1643
  2. 2026-10-03 Alias added: GHSA-xqwh-8hgm-j77v

References

  • TI-2004-00355 RealNetworks Helix Universal Server 9.0.1 and 9.0.2 allows remote attackers to cause a… CVSS 3.1HIGH 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