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NULL Pointer Dereference

CVE-2022-0562

Medium
5.5/10

Summary

Null source pointer passed as an argument to "memcpy()" function within "TIFFReadDirectory()" in "tif_dirread.c" in libtiff versions from 4.0.0alpha through 4.3.0 could lead to Denial of Service via crafted TIFF file. For users that compile libtiff from sources, a fix is available with commit 561599c.

  • LOW
  • LOCAL
  • 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