CVE-2004-0389: realnetworks helix_universal_server NULL Pointer Dereference
Vulnerability summary
CVE-2004-0389 is a high (CVSS 7.8) NULL Pointer Dereference vulnerability in realnetworks helix_universal_server. EPSS estimates a 54.92% chance of exploitation in the next 30 days, higher than 99% of scored vulnerabilities. 3 public exploits are recorded.
Public exploit (exploit-database, 15-04-2004)
Source freshness unavailable
How is this decided?Timeline
- 17-04-2004PublishedVulnerability first disclosed.
- 08-08-2024Last modifiedVulnerability information updated.
Description
RealNetworks Helix Universal Server 9.0.1 and 9.0.2 allows remote attackers to cause a denial of service (crash) via malformed requests that trigger a null dereference, as demonstrated using (1) GET_PARAMETER or (2) DESCRIBE requests.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
54.92%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
No change 0.00 pp
From 54.92% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
3 foundExploit Reference (idefense.com)
Maturity: unknown
Exploit Reference (securityfocus.com)
Maturity: unknown
Real Networks Helix Universal Server 9.0.x - Denial of Service
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Realnetworks1 product
- helix_universal_server9.0.1 | 9.0.2
1 vendor · 1 product
References
4 links- www.idefense.com/application/poi/display?id=102&type=vulnerabilitiesThird Party AdvisoryX Refsource IDEFENSEBroken LinkExploitPatchVendor Advisory