libtiff's tiffcrop utility has a uint32_t underflow that can lead to out of bounds read and write. An attacker who supplies a crafted file to tiffcrop (likely via tricking a user to run tiffcrop on it with certain parameters) could cause a crash or in some cases, further exploitation.
| Software | From | Fixed in |
|---|---|---|
| libtiff / libtiff | - | 4.4.0 |
| fedoraproject / fedora | 35 | 35.x |
| fedoraproject / fedora | 36 | 36.x |
| debian / debian_linux | 10.0 | 10.0.x |
| debian / debian_linux | 11.0 | 11.0.x |