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Out-of-bounds Write

CVE-2020-12284

High
9.8/10

Summary

cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 before 4.1.6, 4.2-dev before 4.2.3, and 4.3-dev, has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-787 - Out-of-Bounds Write

Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.

References

Advisory Timeline

  • Published