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Improper Input Validation


Severity High
Score 8.8/10


In the mxf_read_primer_pack function in "libavformat/mxfdec.c" in FFmpeg before 2.4.14, 2.5-dev before 2.8.13, 2.9-dev before 3.0.10, 3.1-dev before 3.1.11, 3.2-dev before 3.2.8, 3.3-dev before 3.3.4, and in 3.4-dev, an integer signedness error might occur when a crafted file, which claims a large "item_num" field such as 0xffffffff, is provided. As a result, the variable "item_num" turns negative, bypassing the check for a large value.

  • LOW
  • HIGH
  • NONE
  • HIGH
  • HIGH

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Advisory Timeline

  • Published