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Out-of-bounds Write

CVE-2021-30020

Medium
5.5/10

Summary

In the "gf_hevc_read_pps_bs_internal" function in "media_tools/av_parsers.c" in GPAC through 1.0.1 there is a loop, which with crafted file, "pps->num_tile_columns" may be larger than sizeof("pps->column_width"), which results in a heap overflow in the loop.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • REQUIRED
  • NONE
  • NONE
  • 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