8.1
HIGH CVSS 3.1
CVE-2024-27834
Apple iOS/ tvOS/ watchOS/ macOS Pointer Authentication Bypass
Description

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.

INFO

Published Date :

May 14, 2024, 3:13 p.m.

Last Modified :

April 2, 2026, 7:17 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2024-27834 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple iphone_os
3 Apple tvos
4 Apple watchos
5 Apple safari
6 Apple ipad_os
7 Apple ipados
1 Fedoraproject fedora
1 Webkitgtk webkitgtk
1 Wpewebkit wpe_webkit
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This addresses a pointer authentication bypass vulnerability by updating affected software components.
  • Update affected Apple iOS, iPadOS, tvOS, watchOS, and macOS.
  • Update affected WebKitGTK and WPE WebKit packages.
  • Update affected Fedora packages.
  • Upgrade affected RHEL webkitgtk and webkit2gtk packages.
Public PoC/Exploit Available at Github

CVE-2024-27834 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-27834 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-27834 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Exploit-Research Database.

CSS JavaScript HTML

Updated: 1 week, 4 days ago
0 stars 0 fork 0 watcher
Born at : March 22, 2026, 10:15 a.m. This repo has been linked 79 different CVEs too.

None

Python

Updated: 2 weeks, 4 days ago
0 stars 0 fork 0 watcher
Born at : Jan. 26, 2026, 8:17 a.m. This repo has been linked 2857 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-27834 vulnerability anywhere in the article.

  • The Hacker News
Apple Releases Urgent Updates to Patch Actively Exploited Zero-Day Vulnerabilities

Apple has released security updates for iOS, iPadOS, macOS, visionOS, and its Safari web browser to address two zero-day flaws that have come under active exploitation in the wild. The flaws are liste ... Read more

Published Date: Nov 20, 2024 (1 year, 4 months ago)

The following table lists the changes that have been made to the CVE-2024-27834 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Apr. 02, 2026

    Action Type Old Value New Value
    Changed Description The issue was addressed with improved checks. This issue is fixed in iOS 17.5 and iPadOS 17.5, tvOS 17.5, Safari 17.5, watchOS 10.5, macOS Sonoma 14.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication. 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.
    Added Reference https://support.apple.com/en-us/120896
    Added Reference https://support.apple.com/en-us/120898
    Added Reference https://support.apple.com/en-us/120901
    Added Reference https://support.apple.com/en-us/120902
    Added Reference https://support.apple.com/en-us/120903
    Added Reference https://support.apple.com/en-us/120905
    Removed Reference http://seclists.org/fulldisclosure/2024/May/10
    Removed Reference http://seclists.org/fulldisclosure/2024/May/12
    Removed Reference http://seclists.org/fulldisclosure/2024/May/16
    Removed Reference http://seclists.org/fulldisclosure/2024/May/17
    Removed Reference http://seclists.org/fulldisclosure/2024/May/9
    Removed Reference http://www.openwall.com/lists/oss-security/2024/05/21/1
    Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/
    Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/
    Removed Reference https://support.apple.com/en-us/HT214101
    Removed Reference https://support.apple.com/en-us/HT214102
    Removed Reference https://support.apple.com/en-us/HT214103
    Removed Reference https://support.apple.com/en-us/HT214104
    Removed Reference https://support.apple.com/en-us/HT214106
    Removed Reference Type http://seclists.org/fulldisclosure/2024/May/10 Types: Mailing List
    Removed Reference Type http://seclists.org/fulldisclosure/2024/May/12 Types: Mailing List
    Removed Reference Type http://seclists.org/fulldisclosure/2024/May/16 Types: Mailing List
    Removed Reference Type http://seclists.org/fulldisclosure/2024/May/17 Types: Mailing List
    Removed Reference Type http://seclists.org/fulldisclosure/2024/May/9 Types: Mailing List
    Removed Reference Type http://www.openwall.com/lists/oss-security/2024/05/21/1 Types: Mailing List
    Removed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/ Types: Mailing List
    Removed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/ Types: Mailing List
    Removed Reference Type https://support.apple.com/en-us/HT214101 Types: Vendor Advisory
    Removed Reference Type https://support.apple.com/en-us/HT214102 Types: Vendor Advisory
    Removed Reference Type https://support.apple.com/en-us/HT214103 Types: Vendor Advisory
    Removed Reference Type https://support.apple.com/en-us/HT214104 Types: Vendor Advisory
    Removed Reference Type https://support.apple.com/en-us/HT214106 Types: Vendor Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 04, 2025

    Action Type Old Value New Value
    Added Reference https://support.apple.com/kb/HT214100
    Added Reference https://support.apple.com/kb/HT214102
    Added Reference https://support.apple.com/kb/HT214104
    Added Reference https://support.apple.com/kb/HT214106
  • CPE Deprecation Remap by [email protected]

    Dec. 12, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions from (excluding) 17.5 OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions from (excluding) 17.5
  • Initial Analysis by [email protected]

    Dec. 09, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 17.5 *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 17.5 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 17.5 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 14.0 up to (excluding) 14.5 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 17.5 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 10.5
    Added CPE Configuration OR *cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:* versions up to (excluding) 2.44.2 *cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:* versions up to (excluding) 2.44.2
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/10 No Types Assigned http://seclists.org/fulldisclosure/2024/May/10 Mailing List
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/10 No Types Assigned http://seclists.org/fulldisclosure/2024/May/10 Mailing List
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/12 No Types Assigned http://seclists.org/fulldisclosure/2024/May/12 Mailing List
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/12 No Types Assigned http://seclists.org/fulldisclosure/2024/May/12 Mailing List
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/16 No Types Assigned http://seclists.org/fulldisclosure/2024/May/16 Mailing List
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/16 No Types Assigned http://seclists.org/fulldisclosure/2024/May/16 Mailing List
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/17 No Types Assigned http://seclists.org/fulldisclosure/2024/May/17 Mailing List
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/17 No Types Assigned http://seclists.org/fulldisclosure/2024/May/17 Mailing List
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/9 No Types Assigned http://seclists.org/fulldisclosure/2024/May/9 Mailing List
    Changed Reference Type http://seclists.org/fulldisclosure/2024/May/9 No Types Assigned http://seclists.org/fulldisclosure/2024/May/9 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2024/05/21/1 No Types Assigned http://www.openwall.com/lists/oss-security/2024/05/21/1 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2024/05/21/1 No Types Assigned http://www.openwall.com/lists/oss-security/2024/05/21/1 Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/ Mailing List
    Changed Reference Type https://support.apple.com/en-us/HT214101 No Types Assigned https://support.apple.com/en-us/HT214101 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT214101 No Types Assigned https://support.apple.com/en-us/HT214101 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT214102 No Types Assigned https://support.apple.com/en-us/HT214102 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT214102 No Types Assigned https://support.apple.com/en-us/HT214102 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT214103 No Types Assigned https://support.apple.com/en-us/HT214103 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT214103 No Types Assigned https://support.apple.com/en-us/HT214103 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT214104 No Types Assigned https://support.apple.com/en-us/HT214104 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT214104 No Types Assigned https://support.apple.com/en-us/HT214104 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT214106 No Types Assigned https://support.apple.com/en-us/HT214106 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT214106 No Types Assigned https://support.apple.com/en-us/HT214106 Vendor Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2024/May/10
    Added Reference http://seclists.org/fulldisclosure/2024/May/12
    Added Reference http://seclists.org/fulldisclosure/2024/May/16
    Added Reference http://seclists.org/fulldisclosure/2024/May/17
    Added Reference http://seclists.org/fulldisclosure/2024/May/9
    Added Reference http://www.openwall.com/lists/oss-security/2024/05/21/1
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/
    Added Reference https://support.apple.com/en-us/HT214101
    Added Reference https://support.apple.com/en-us/HT214102
    Added Reference https://support.apple.com/en-us/HT214103
    Added Reference https://support.apple.com/en-us/HT214104
    Added Reference https://support.apple.com/en-us/HT214106
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 03, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-277
    Added CVSS V3.1 CISA-ADP AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
  • CVE Modified by [email protected]

    Jun. 22, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/ [No types assigned]
  • CVE Modified by [email protected]

    Jun. 19, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/ [No types assigned]
  • CVE Modified by [email protected]

    Jun. 10, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/9 [No types assigned]
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/12 [No types assigned]
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/16 [No types assigned]
  • CVE Modified by [email protected]

    Jun. 10, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. http://www.openwall.com/lists/oss-security/2024/05/21/1 [No types assigned]
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/10 [No types assigned]
  • CVE Modified by [email protected]

    Jun. 10, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/17 [No types assigned]
  • CVE Received by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
    Added Description The issue was addressed with improved checks. This issue is fixed in iOS 17.5 and iPadOS 17.5, tvOS 17.5, Safari 17.5, watchOS 10.5, macOS Sonoma 14.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214101 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214106 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214104 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214103 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214102 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.