CVE-2004-0774

CVE-2004-0774 is a high-severity vulnerability in Realnetworks Helix Universal Mobile Server And Gateway with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

RealNetworks Helix Universal Server 9.0.2 for Linux and 9.0.3 for Windows allows remote attackers to cause a denial of service (CPU and memory exhaustion) via a POST request with a Content-Length header set to -1.

Frequently asked questions

What is CVE-2004-0774?
RealNetworks Helix Universal Server 9.0.2 for Linux and 9.0.3 for Windows allows remote attackers to cause a denial of service (CPU and memory exhaustion) via a POST request with a Content-Length header set to -1.
How severe is CVE-2004-0774?
CVE-2004-0774 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2004-0774 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0774?
CVE-2004-0774 primarily affects Realnetworks Helix Universal Mobile Server And Gateway. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0774?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-0774 published?
CVE-2004-0774 was published on 2004-11-03 and last updated on 2026-06-16.

References

Affected products (3)