CVE-2002-1321

CVE-2002-1321 is a high-severity vulnerability in Realnetworks Realone Player with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple buffer overflows in RealOne and RealPlayer allow remote attackers to execute arbitrary code via (1) a Synchronized Multimedia Integration Language (SMIL) file with a long parameter, (2) a long long filename in a rtsp:// request, e.g. from a .m3u file, or (3) certain "Now Playing" options on a downloaded file with a long filename.

Frequently asked questions

What is CVE-2002-1321?
Multiple buffer overflows in RealOne and RealPlayer allow remote attackers to execute arbitrary code via (1) a Synchronized Multimedia Integration Language (SMIL) file with a long parameter, (2) a long long filename in a rtsp:// request, e.g. from a .m3u file, or (3) certain "Now Playing" options on a downloaded file with a long filename.
How severe is CVE-2002-1321?
CVE-2002-1321 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-1321 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1321?
CVE-2002-1321 primarily affects Realnetworks Realone Player. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-1321?
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-2002-1321 published?
CVE-2002-1321 was published on 2002-12-11 and last updated on 2026-06-16.

References

Affected products (5)

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