CVE-2010-4387

CVE-2010-4387 is a critical-severity vulnerability in Realnetworks Realplayer with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

The RealAudio codec in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.4, Mac RealPlayer 11.0 through 12.0.0.1444, and Linux RealPlayer 11.0.2.1744 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted audio stream in a RealMedia file.

Frequently asked questions

What is CVE-2010-4387?
The RealAudio codec in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.4, Mac RealPlayer 11.0 through 12.0.0.1444, and Linux RealPlayer 11.0.2.1744 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted audio stream in a RealMedia file.
How severe is CVE-2010-4387?
CVE-2010-4387 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-4387 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4387?
CVE-2010-4387 primarily affects Realnetworks Realplayer. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4387?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-4387 published?
CVE-2010-4387 was published on 2010-12-14 and last updated on 2026-06-16.

References

Affected products (18)

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