LibTIFF prior to 4.0.4, as used in Apple iOS before 8.4 and OS X before 10.10.4 and other products, allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted TIFF image.
http://lists.apple.com/archives/security-announce/2015/Jun/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html
http://openwall.com/lists/oss-security/2015/01/24/15
http://support.apple.com/kb/HT204941
http://support.apple.com/kb/HT204942
http://www.conostix.com/pub/adv/CVE-2014-8128-LibTIFF-Out-of-bounds_Writes.txt
Source: MITRE
Published: 2020-02-12
Updated: 2020-02-14
Type: CWE-787
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM