CVE-2016-1740

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-03-24 · updated 2026-06-17
Weakness: CWE-119

Description

FontParser in Apple iOS before 9.3, OS X before 10.11.4, tvOS before 9.2, and watchOS before 2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted PDF document.

Affected products

Apple Iphone Os: before 9.3 — fixed in 9.3
macOS: before 10.11.4 — fixed in 10.11.4
Apple tvOS: before 9.2 — fixed in 9.2
Apple watchOS: before 2.2 — fixed in 2.2

How to fix

Upgrade to a fixed version: Apple Iphone Os 9.3; macOS 10.11.4; Apple tvOS 9.2; Apple watchOS 2.2. Check the vendor advisory for mitigations.

References

http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
http://www.securitytracker.com/id/1035353
http://www.zerodayinitiative.com/advisories/ZDI-16-201
https://support.apple.com/HT206166
https://support.apple.com/HT206167
https://support.apple.com/HT206168
https://support.apple.com/HT206169
http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html

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