CVE-2002-1643

Name: CVE-2002-1643
Creator: NVD / NIST
Published: 2002-12-19T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 74.32%

Last modified Jun 16, 2026

CVE-2002-1643 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 74.32% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

74.32%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Realnetworks	Helix Universal Server	9.0
Realnetworks	Helix Universal Server	9.0.2.768

References

http://www.kb.cert.org/vuls/id/974689Patch, Third Party Advisory, US Government Resource
http://www.nextgenss.com/advisories/realhelix.txtVendor Advisory
http://www.securityfocus.com/archive/1/304203Vendor Advisory
http://www.securityfocus.com/bid/6454Exploit, Patch
http://www.securityfocus.com/bid/6456Patch
http://www.securityfocus.com/bid/6458Patch
http://www.service.real.com/help/faq/security/bufferoverrun12192002.htmlPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/10915
https://exchange.xforce.ibmcloud.com/vulnerabilities/10916
https://exchange.xforce.ibmcloud.com/vulnerabilities/10917
http://www.kb.cert.org/vuls/id/974689Patch, Third Party Advisory, US Government Resource
http://www.nextgenss.com/advisories/realhelix.txtVendor Advisory
http://www.securityfocus.com/archive/1/304203Vendor Advisory
http://www.securityfocus.com/bid/6454Exploit, Patch
http://www.securityfocus.com/bid/6456Patch
http://www.securityfocus.com/bid/6458Patch
http://www.service.real.com/help/faq/security/bufferoverrun12192002.htmlPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/10915
https://exchange.xforce.ibmcloud.com/vulnerabilities/10916
https://exchange.xforce.ibmcloud.com/vulnerabilities/10917

Timeline

Published: Dec 19, 2002
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2002-1643?

How severe is CVE-2002-1643?

Severity scoring for CVE-2002-1643 is pending analysis. The EPSS model estimates a 74.32% probability of exploitation in the next 30 days.

How do I fix CVE-2002-1643?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2002-1643?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST