CVE-2016-1819 EXPLOIT
7.8
HIGH · CVSS 3.0 · EPSS 4.8% (pctl 92)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.8 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 4.79% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2016-05-20 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| apple | iphone os |
| apple | mac os x |
| apple | tvos |
| apple | watchos |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Apple Mac OSX Kernel - Use-After-Free Due to Bad Locking in IOAcceleratorFamily2 | 2016-06-10 |
References
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
- http://packetstormsecurity.com/files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.html
- http://www.securityfocus.com/bid/90694
- http://www.securitytracker.com/id/1035890
- https://bugs.chromium.org/p/project-zero/issues/detail?id=772
- https://support.apple.com/HT206564
- https://support.apple.com/HT206566
- https://support.apple.com/HT206567
- https://support.apple.com/HT206568
- https://www.exploit-db.com/exploits/39928/
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
- http://packetstormsecurity.com/files/137396/OS-X-Kernel-Use-After-Free-From-IOAcceleratorFamily2-Bad-Locking.html
- http://www.securityfocus.com/bid/90694
- http://www.securitytracker.com/id/1035890
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