What is CVE-2021-28429?

CVE-2021-28429 is a medium-severity vulnerability in Ffmpeg, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2023-08-11.

How severe is CVE-2021-28429?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-28429 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Ffmpeg

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.

Vulnerability class: Integer Overflow

EPSS: 0.002 (9.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ffmpeg — versions 4.3.2
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Patch)

Frequently asked questions

What is CVE-2021-28429?: CVE-2021-28429 is a medium-severity vulnerability in Ffmpeg, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2023-08-11.
How severe is CVE-2021-28429?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-28429 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.