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Out-of-bounds Write

CVE-2020-22027

Severity High
Score 8.8/10

Summary

A heap-based Buffer Overflow vulnerability exits in FFmpeg versions prior to 4.1.8 and 4.2-dev prior to 4.3 in deflate16 at libavfilter/vf_neighbor.c, which might lead to memory corruption and other potential consequences.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • REQUIRED
  • 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