LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field.
https://gitlab.com/libtiff/libtiff/-/issues/355
https://gitlab.com/libtiff/libtiff/-/merge_requests/287
https://lists.debian.org/debian-lts-announce/2022/03/msg00001.html
https://security.gentoo.org/glsa/202210-10