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    CVE-2016-1819

    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.

    Published:May 20, 2016
    Last Modified:Apr 12, 2025
    EPS:May 20, 2016
    EPSS Score:0.04268
    CVSS Score:7.8

    Affected Products

    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Apple
    Product
    Tvos
    Vendor
    Apple
    Product
    Watchos

    Exploits

    https://bugs.chromium.org/p/project-zero/issues/detail?id=772https://www.exploit-db.com/exploits/39928/https://bugs.chromium.org/p/project-zero/issues/detail?id=772https://www.exploit-db.com/exploits/39928/https://www.exploit-db.com/exploits/39928

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-87545 (CVSS 6.5) — Information leak in Mobile in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker leverag…
    CVE-2026-87609 (CVSS 9.6) — Use after free in Sharing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker to execu…
    CVE-2026-87518 (CVSS 5.3) — Observable discrepancy in Safebrowsing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote atta…
    CVE-2026-87482 (CVSS 5.9) — Cleartext transmission of sensitive data in HttpsUpgrades in Google Chrome on on iOS prior to 153.0.8010.36 al…
    CVE-2026-87517 (CVSS 3.1) — Race condition in Mobile in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker leveragin…
    CVE-2026-85047 (CVSS 9.6) — Improper input validation in Transactions Platform in Google Chrome on on iOS prior to 152.0.7977.82 allowed a…
    CVE-2026-78964 (CVSS 9.6) — Use after free in Sync in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to potentia…
    CVE-2026-78957 (CVSS 5.5) — Information leak in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a local attacker to obtai…
    CVE-2026-78981 (CVSS 6.5) — Information leak in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a local attacker to poten…
    CVE-2026-79105 (CVSS 4.3) — Improper input validation in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacke…

    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
    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/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High