CVE-2009-2534

Name: CVE-2009-2534
Creator: NVD / NIST
Published: 2009-07-20T17:30:57.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.83%

Last modified Jun 16, 2026

CVE-2009-2534 is a vulnerability of currently unknown severity. RealNetworks Helix Server and Helix Mobile Server before 13.0.0 allow remote attackers to cause a denial of service (daemon crash) via an RTSP SETUP request that (1) specifies the / URI or (2) lacks a / character in the URI.. EPSS estimates a 8.83% chance of exploitation in the next 30 days.

Description

RealNetworks Helix Server and Helix Mobile Server before 13.0.0 allow remote attackers to cause a denial of service (daemon crash) via an RTSP SETUP request that (1) specifies the / URI or (2) lacks a / character in the URI.

Metrics

EPSS Probability

8.83%

94.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Realnetworks	Helix Server	<= 12.0.1
Realnetworks	Helix Server	11.0
Realnetworks	Helix Server	12.0.0
Realnetworks	Helix Server Mobile	<= 12.0.0
Realnetworks	Helix Server Mobile	11.0

References

Timeline

Published: Jul 20, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-2534?

How severe is CVE-2009-2534?

Severity scoring for CVE-2009-2534 is pending analysis. The EPSS model estimates a 8.83% probability of exploitation in the next 30 days.

How do I fix CVE-2009-2534?

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-2009-2534?

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

Scan your code now

Source: NVD / NIST