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    CVE-2024-27834

    The issue was addressed with improved checks. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, watchOS 10.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.

    Published:May 13, 2024
    Last Modified:Apr 2, 2026
    EPS:May 13, 2024
    EPSS Score:0.00008
    CVSS Score:8.1

    Affected Products

    Vendor
    Apple
    Product
    Ipad Os
    Vendor
    Apple
    Product
    Ipados
    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Macos
    Vendor
    Apple
    Product
    Safari
    Vendor
    Apple
    Product
    Tvos
    Vendor
    Apple
    Product
    Watchos
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Els
    Vendor
    Webkitgtk
    Product
    Webkitgtk
    Vendor
    Wpewebkit
    Product
    Wpe Webkit

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs
    CAPEC-104 Cross Zone Scripting
    CAPEC-127 Directory Indexing
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-17 Using Malicious Files
    CAPEC-39 Manipulating Opaque Client-based Data Tokens
    CAPEC-402 Bypassing ATA Password Security
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-5 Blue Boxing
    CAPEC-51 Poison Web Service Registry
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-647 Collect Data from Registries
    CAPEC-665 Exploitation of Thunderbolt Protection Flaws
    CAPEC-668 Key Negotiation of Bluetooth Attack (KNOB)
    CAPEC-76 Manipulating Web Input to File System Calls
    CAPEC-77 Manipulating User-Controlled Variables
    CAPEC-87 Forceful Browsing

    Related CVEs

    CVE-2025-46306 (CVSS 5.5) — The issue was addressed with improved bounds checks. This issue is fixed in Keynote 15.1, iOS 26 and iPadOS 26…
    CVE-2025-24090 (CVSS 3.3) — A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.3 and iPadOS 18.…
    CVE-2025-24089 (CVSS 5.3) — A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.3 and iPadOS 18.…
    CVE-2025-46286 (CVSS 4.3) — A logic issue was addressed with improved validation. This issue is fixed in iOS 26.2 and iPadOS 26.2. Restori…
    CVE-2025-46279 (CVSS 3.3) — A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.3 and iPadOS 1…
    CVE-2025-46288 (CVSS 5.5) — A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.2 and iPadOS 26.…
    CVE-2025-46277 (CVSS 3.3) — A logging issue was addressed with improved data redaction. This issue is fixed in iOS 26.2 and iPadOS 26.2, m…
    CVE-2025-43541 (CVSS 4.3) — A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 26.2, iOS 18.…
    CVE-2025-43494 (CVSS 7.5) — A mail header parsing issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 1…
    CVE-2025-43510 (CVSS 7.8) — A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 18.7.2 a…

    References

    https://support.apple.com/en-us/120896
    https://support.apple.com/en-us/120898
    https://support.apple.com/en-us/120901
    https://support.apple.com/en-us/120902
    https://support.apple.com/en-us/120903
    https://support.apple.com/en-us/120905
    http://seclists.org/fulldisclosure/2024/May/10
    http://seclists.org/fulldisclosure/2024/May/12
    http://seclists.org/fulldisclosure/2024/May/16
    http://seclists.org/fulldisclosure/2024/May/17
    http://seclists.org/fulldisclosure/2024/May/9
    http://www.openwall.com/lists/oss-security/2024/05/21/1
    https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/
    https://support.apple.com/en-us/HT214101
    https://support.apple.com/en-us/HT214102
    https://support.apple.com/en-us/HT214103
    https://support.apple.com/en-us/HT214104
    https://support.apple.com/en-us/HT214106
    https://support.apple.com/kb/HT214100
    https://support.apple.com/kb/HT214102
    https://support.apple.com/kb/HT214104
    https://support.apple.com/kb/HT214106

    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