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NULL Pointer Dereference

CVE-2018-19210

Medium
6.5/10

Summary

In LibTIFF versions through 4.0.9, there is a NULL Pointer Dereference in the "TIFFWriteDirectorySec" function in "tif_dirwrite.c" that will lead to a denial of service attack, as demonstrated by "tiffset".

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

CWE-476 - NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

References

Advisory Timeline

  • Published