How severe is CVE-2009-0909?

CVE-2009-0909 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-0909 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0909?

CVE-2009-0909 primarily affects Vmware Ace. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0909?

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-2009-0909 published?

CVE-2009-0909 was published on 2009-04-06 and last updated on 2026-06-16.

CVE-2009-0909

CVE-2009-0909 is a critical-severity vulnerability in Vmware Ace 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

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Vmware Ace
Published: 2009-04-06
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the VNnc Codec in VMware Workstation 6.5.x before 6.5.2 build 156735, VMware Player 2.5.x before 2.5.2 build 156735, VMware ACE 2.5.x before 2.5.2 build 156735, and VMware Server 2.0.x before 2.0.1 build 156745 allows remote attackers to execute arbitrary code via a crafted web page or video file, aka ZDI-CAN-435.

Frequently asked questions

What is CVE-2009-0909?: Heap-based buffer overflow in the VNnc Codec in VMware Workstation 6.5.x before 6.5.2 build 156735, VMware Player 2.5.x before 2.5.2 build 156735, VMware ACE 2.5.x before 2.5.2 build 156735, and VMware Server 2.0.x before 2.0.1 build 156745 allows remote attackers to execute arbitrary code via a crafted web page or video file, aka ZDI-CAN-435.
How severe is CVE-2009-0909?: CVE-2009-0909 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-0909 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0909?: CVE-2009-0909 primarily affects Vmware Ace. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0909?: 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-2009-0909 published?: CVE-2009-0909 was published on 2009-04-06 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:vmware:ace:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:player:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:server:2.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:6.5.1:*:*:*:*:*:*:*

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