An out-of-memory flaw was found in libtiff. Passing a crafted tiff file to TIFFOpen() API may allow a remote attacker to cause a denial of service via a craft input with size smaller than 379 KB.
https://support.apple.com/en-us/HT214118
https://gitlab.com/libtiff/libtiff/-/merge_requests/545
https://gitlab.com/libtiff/libtiff/-/issues/614