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CVE-2011-3947

MEDIUM · CVSS 6.8EPSS 3.9%EU EUVD

Buffer overflow in mjpegbdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted MJPEG-B file.

Key facts

CVSS score
6.8 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE)
CWE-119
EPSS score
3.9% (90th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-3900)
Published
August 20, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3900 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav
  • libav / libav

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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