LibTIFF thumbnail.c setrow buffer overflow

A vulnerability was found in LibTIFF up to 4.7.0. It has been rated as critical. This issue affects the function setrow of the file tools/thumbnail.c. The manipulation leads to buffer overflow. An attack has to be approached locally. The patch is named e8c9d6c616b19438695fd829e58ae4fde5bfbc22. It is recommended to apply a patch to fix this issue. This vulnerability only affects products that are no longer supported by the maintainer.