CVE-2008-4866

CVE-2008-4866 is a critical-severity vulnerability in Ffmpeg 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

Description

Multiple buffer overflows in libavformat/utils.c in FFmpeg 0.4.9 before r14715, as used by MPlayer, allow context-dependent attackers to have an unknown impact via vectors related to execution of DTS generation code with a delay greater than MAX_REORDER_DELAY.

Frequently asked questions

What is CVE-2008-4866?
Multiple buffer overflows in libavformat/utils.c in FFmpeg 0.4.9 before r14715, as used by MPlayer, allow context-dependent attackers to have an unknown impact via vectors related to execution of DTS generation code with a delay greater than MAX_REORDER_DELAY.
How severe is CVE-2008-4866?
CVE-2008-4866 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2008-4866 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-2008-4866?
CVE-2008-4866 primarily affects Ffmpeg. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4866?
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-2008-4866 published?
CVE-2008-4866 was published on 2008-11-01 and last updated on 2026-06-16.

References

Affected products (14)

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