How severe is CVE-2009-0375?

CVE-2009-0375 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-0375 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0375?

CVE-2009-0375 affects Realnetworks Realplayer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-0375?

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-2009-0375 published?

CVE-2009-0375 was published on 2009-02-08 and last updated on 2026-06-16.

CVE-2009-0375

CVE-2009-0375 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-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Realnetworks Realplayer
Published: 2009-02-08
Last modified: 2026-06-16

Description

Buffer overflow in a DLL file in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer 11 11.0.0 through 11.0.4, RealPlayer Enterprise, Mac RealPlayer 10 and 10.1, Linux RealPlayer 10, and Helix Player 10.x allows remote attackers to execute arbitrary code via a crafted Internet Video Recording (IVR) file with a filename length field containing a large integer, which triggers overwrite of an arbitrary memory location with a 0x00 byte value, related to use of RealPlayer through a Windows Explorer plugin.

Frequently asked questions

What is CVE-2009-0375?: Buffer overflow in a DLL file in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer 11 11.0.0 through 11.0.4, RealPlayer Enterprise, Mac RealPlayer 10 and 10.1, Linux RealPlayer 10, and Helix Player 10.x allows remote attackers to execute arbitrary code via a crafted Internet Video Recording (IVR) file with a filename length field containing a large integer, which triggers overwrite of an arbitrary memory location with a 0x00 byte value, related to use of RealPlayer through a Windows Explorer plugin.
How severe is CVE-2009-0375?: CVE-2009-0375 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-0375 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0375?: CVE-2009-0375 affects Realnetworks Realplayer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-0375?: 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-2009-0375 published?: CVE-2009-0375 was published on 2009-02-08 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:realnetworks:realplayer:11:*:*:*:*:*:*:*

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