tif_getimage.c in LibTIFF through 4.0.10, as used in GDAL through 3.0.1 and other products, has an integer overflow that potentially causes a heap-based buffer overflow via a crafted RGBA image, related to a "Negative-size-param" condition. CREATE(Triage):(User=admin) CVE-2019-17546 (https://nvd.nist.gov/vuln/detail/CVE-2019-17546)
