The _TIFFmalloc function in tif_unix.c in LibTIFF 4.0.3 does not reject a zero size, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted TIFF image that is mishandled by the TIFFWriteScanline function in tif_write.c, as demonstrated by tiffdither.
The product divides a value by zero.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libtiff | Libtiff | 4.0.3 (including) | 4.0.3 (including) |
| Red Hat Enterprise Linux 6 | RedHat | libtiff-0:3.9.4-18.el6_8 | * |
| Red Hat Enterprise Linux 7 | RedHat | libtiff-0:4.0.3-25.el7_2 | * |
| Tiff | Ubuntu | devel | * |
| Tiff | Ubuntu | lucid | * |
| Tiff | Ubuntu | precise | * |
| Tiff | Ubuntu | trusty | * |
| Tiff | Ubuntu | utopic | * |