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CVE-2011-3973

MEDIUM · CVSS 5.0EPSS 2.5%EU EUVD

cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, related to the decode_residual_block, check_for_slice, and cavs_decode_frame functions, a different vulnerability than CVE-2011-3362.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-399
EPSS score
2.5% (85th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-3926)
Published
October 2, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3926 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
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg
  • ffmpeg / ffmpeg

References

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

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