CVE-2009-4638

CVE-2009-4638 is a medium-severity vulnerability in Ffmpeg with a CVSS 2.0 base score of 4.3. 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-189.

Key facts

Description

Integer overflow in FFmpeg 0.5 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors.

Frequently asked questions

What is CVE-2009-4638?
Integer overflow in FFmpeg 0.5 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors.
How severe is CVE-2009-4638?
CVE-2009-4638 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-4638 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4638?
CVE-2009-4638 affects Ffmpeg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4638?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4638 published?
CVE-2009-4638 was published on 2010-02-10 and last updated on 2026-06-16.

References

Affected products (1)

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