CVE-2021-28429

CVE-2021-28429 is a medium-severity vulnerability in Ffmpeg with a CVSS 3.x base score of 5.5. 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-190.

Key facts

Description

Integer overflow vulnerability in av_timecode_make_string in libavutil/timecode.c in FFmpeg version 4.3.2, allows local attackers to cause a denial of service (DoS) via crafted .mov file.

Frequently asked questions

What is CVE-2021-28429?
Integer overflow vulnerability in av_timecode_make_string in libavutil/timecode.c in FFmpeg version 4.3.2, allows local attackers to cause a denial of service (DoS) via crafted .mov file.
How severe is CVE-2021-28429?
CVE-2021-28429 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-28429 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28429?
CVE-2021-28429 affects Ffmpeg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28429?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-28429 published?
CVE-2021-28429 was published on 2023-08-11 and last updated on 2026-06-17.

References

Affected products (1)

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