What is CVE-2004-0550?

CVE-2004-0550 is a vulnerability in Realnetworks Realplayer. Published 2004-08-06.

Is CVE-2004-0550 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Realnetworks Realplayer

CVE-2004-0550

Buffer overflow in Real Networks RealPlayer 10 allows remote attackers to execute arbitrary code via a URL with a large number of "." (period) characters.

Published 2004-08-06 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.035 (89.0th percentile), scored 2026-10-25.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000

Affected products

Realnetworks Realplayer — versions 10.0

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

exchange.xforce.ibmcloud.com/vulnerabilities/16388 (vdb-entry)
www.idefense.com/application/poi/display (Vendor Advisory)

Frequently asked questions

What is CVE-2004-0550?: CVE-2004-0550 is a vulnerability in Realnetworks Realplayer. Published 2004-08-06.
Is CVE-2004-0550 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.