CVE-2002-1643
Multiple buffer overflows in RealNetworks Helix Universal Server 9.0 (9.0.2.768) allow remote...
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.
Exploit likelihood
What each source reports
NVD Score used
7.5
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.
- Record
CVE-2002-1643- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2002-1643- Updated
- 2026-11-02
EUVDEUVD-2002-1624 No score
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.
- Record
EUVD-2002-1624- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xqwh-8hgm-j77v No score
Multiple buffer overflows in RealNetworks Helix Universal Server 9.0 (9.0.2.768) allow remote...
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.
- Record
GHSA-xqwh-8hgm-j77v- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | RealServer - Describe Buffer Overflow (Metasploit) | 2010-08-07 |
| Exploit-DB | RealServer < 8.0.2 (Windows Platforms) - Remote Overflow | 2003-04-30 |
| Exploit-DB | RealServer 7-9 - Describe Buffer Overflow (Metasploit) | 2002-12-20 |
| Metasploit | RealServer Describe Buffer Overflow | 2002-12-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2002-1643 is a high vulnerability (CVSS 7.5) in Realnetworks Helix Universal Server, published December 19, 2002. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 74.7%, the 99th percentile. No source names a fixed version.