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Out-of-bounds Write

CVE-2021-3404

Medium
6.8/10

Summary

In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.

  • MEDIUM
  • NETWORK
  • NONE
  • PARTIAL
  • PARTIAL
  • PARTIAL

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