Skip to main content

NULL Pointer Dereference

CVE-2022-0561

Severity Medium
Score 5.5/10

Summary

Null source pointer passed as an argument to 'memcpy()' function within 'TIFFFetchStripThing()' in 'tif_dirread.c' in libtiff versions 3.9.0 through 4.3.0 could lead to Denial of Service via crafted TIFF file. For users that compile libtiff from sources, the fix is available with commit eecb0712.

  • 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.

Advisory Timeline

  • Published