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.
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16443
https://github.com/OSGeo/gdal/commit/21674033ee246f698887604c7af7ba1962a40ddf
https://gitlab.com/libtiff/libtiff/commit/4bb584a35f87af42d6cf09d15e9ce8909a839145
https://lists.debian.org/debian-lts-announce/2019/11/msg00027.html
https://lists.debian.org/debian-lts-announce/2020/03/msg00020.html
https://seclists.org/bugtraq/2020/Jan/32
https://security.gentoo.org/glsa/202003-25
Source: MITRE
Published: 2019-10-14
Updated: 2020-08-24
Type: CWE-787
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH