How severe is CVE-2009-0894?

CVE-2009-0894 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2009-0894 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-2009-0894?

CVE-2009-0894 primarily affects Xvid. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0894?

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-2009-0894 published?

CVE-2009-0894 was published on 2009-06-02 and last updated on 2026-06-16.

CVE-2009-0894

CVE-2009-0894 is a critical-severity vulnerability in Xvid with a CVSS 2.0 base score of 10.0. 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 10.0)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Xvid
Published: 2009-06-02
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the decoder_create function in the initialization functionality in xvidcore/src/decoder.c in Xvid before 1.2.2, as used by Windows Media Player and other applications, allows remote attackers to execute arbitrary code via vectors involving the DirectShow (aka DShow) frontend and improper handling of the XVID_ERR_MEMORY return code during processing of a crafted movie file. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2009-0894?: Heap-based buffer overflow in the decoder_create function in the initialization functionality in xvidcore/src/decoder.c in Xvid before 1.2.2, as used by Windows Media Player and other applications, allows remote attackers to execute arbitrary code via vectors involving the DirectShow (aka DShow) frontend and improper handling of the XVID_ERR_MEMORY return code during processing of a crafted movie file. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-0894?: CVE-2009-0894 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-0894 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-2009-0894?: CVE-2009-0894 primarily affects Xvid. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0894?: 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-2009-0894 published?: CVE-2009-0894 was published on 2009-06-02 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:xvid:xvid:*:*:*:*:*:*:*:*
cpe:2.3:a:xvid:xvid:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:xvid:xvid:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:xvid:xvid:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:xvid:xvid:1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:xvid:xvid:1.2.0:*:*:*:*:*:*:*

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