CVE-2024-5171

Integer overflow in libaom internal function img_alloc_helper can lead to
heap buffer overflow. This function can be reached via 3 callers:

• Calling aom_img_alloc() with a large value of the d_w, d_h, or align
  parameter may result in integer overflows in the calculations of buffer
  sizes and offsets and some fields of the returned aom_image_t struct may be
  invalid.
• Calling aom_img_wrap() with a large value of the d_w, d_h, or align
  parameter may result in integer overflows in the calculations of buffer
  sizes and offsets and some fields of the returned aom_image_t struct may be
  invalid.
• Calling aom_img_alloc_with_border() with a large value of the d_w,
  d_h, align, size_align, or border parameter may result in integer overflows
  in the calculations of buffer sizes and offsets and some fields of the
  returned aom_image_t struct may be invalid.

Bugs

• <https://issues.chromium.org/issues/332382766&gt;

Notes