CVE-2016-1819

Name: CVE-2016-1819
Creator: NVD / NIST
Published: 2016-05-20T10:59:32.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.79%

Last modified Jun 17, 2026

CVE-2016-1819 is a vulnerability of currently unknown severity. Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1817 and CVE-2016-1818.. EPSS estimates a 4.79% chance of exploitation in the next 30 days.

Description

Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1817 and CVE-2016-1818.

Metrics

EPSS Probability

4.79%

90.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Apple	Tvos	< 9.2.1
Apple	Iphone Os	< 9.3.2
Apple	Mac Os X	< 10.11.5
Apple	Watchos	< 2.2.1

References

http://lists.apple.com/archives/security-announce/2016/May/msg00001.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00002.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00003.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00004.htmlMailing List, Vendor Advisory
http://packetstormsecurity.com/files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.htmlThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/90694Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1035890Third Party Advisory, VDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=772Exploit, Third Party Advisory
https://support.apple.com/HT206564Vendor Advisory
https://support.apple.com/HT206566Vendor Advisory
https://support.apple.com/HT206567Vendor Advisory
https://support.apple.com/HT206568Vendor Advisory
https://www.exploit-db.com/exploits/39928/Exploit, Third Party Advisory, VDB Entry
http://lists.apple.com/archives/security-announce/2016/May/msg00001.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00002.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00003.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00004.htmlMailing List, Vendor Advisory
http://packetstormsecurity.com/files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.htmlThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/90694Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1035890Third Party Advisory, VDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=772Exploit, Third Party Advisory
https://support.apple.com/HT206564Vendor Advisory
https://support.apple.com/HT206566Vendor Advisory
https://support.apple.com/HT206567Vendor Advisory
https://support.apple.com/HT206568Vendor Advisory
https://www.exploit-db.com/exploits/39928/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: May 20, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-1819?

How severe is CVE-2016-1819?

Severity scoring for CVE-2016-1819 is pending analysis. The EPSS model estimates a 4.79% probability of exploitation in the next 30 days.

How do I fix CVE-2016-1819?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-1819?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST