What is the severity of ZDI-CAN-26551?

The severity of ZDI-CAN-26551 is classified as high due to its capability to allow remote attackers to bypass critical security mechanisms in Apple Safari.

How do I fix ZDI-CAN-26551?

To fix ZDI-CAN-26551, it is recommended to update Apple Safari to the latest version provided by Apple.

What are the potential impacts of ZDI-CAN-26551?

The potential impacts of ZDI-CAN-26551 include unauthorized access to sensitive data and exploitation of user systems through malicious pages or files.

Who is affected by ZDI-CAN-26551?

Users of Apple Safari are affected by ZDI-CAN-26551, particularly those who visit compromised web pages or open malicious files.

Is user interaction required to exploit ZDI-CAN-26551?

Yes, user interaction is required to exploit ZDI-CAN-26551 as the target must visit a malicious page or open a malicious file.

Vulnerability/
ZDI-CAN-26551

24/2/2025

ZDI-CAN-26551: ZDI-25-093: (Pwn2Own) Apple Safari Pointer Authentication Code Bypass Vulnerability

First published: Mon Feb 24 2025(Updated: )

This vulnerability allows remote attackers to bypass the Pointer Authentication Code protection mechanism on affected installations of Apple Safari. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 5.0. The following CVEs are assigned: CVE-2024-27834.

Affected Software	Affected Version	How to fix
Safari

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Reference Links

http://www.zerodayinitiative.com/advisories/ZDI-25-093/ (Advisory)

Frequently Asked Questions

What is the severity of ZDI-CAN-26551?
The severity of ZDI-CAN-26551 is classified as high due to its capability to allow remote attackers to bypass critical security mechanisms in Apple Safari.
How do I fix ZDI-CAN-26551?
To fix ZDI-CAN-26551, it is recommended to update Apple Safari to the latest version provided by Apple.
What are the potential impacts of ZDI-CAN-26551?
The potential impacts of ZDI-CAN-26551 include unauthorized access to sensitive data and exploitation of user systems through malicious pages or files.
Who is affected by ZDI-CAN-26551?
Users of Apple Safari are affected by ZDI-CAN-26551, particularly those who visit compromised web pages or open malicious files.
Is user interaction required to exploit ZDI-CAN-26551?
Yes, user interaction is required to exploit ZDI-CAN-26551 as the target must visit a malicious page or open a malicious file.

collector/zdi-published
source/ZDI
alias/ZDI-CAN-26551
agent/first-publish-date
agent/last-modified-date
agent/title
agent/references
agent/source
agent/type
agent/description
agent/event
agent/softwarecombine
agent/tags
agent/guess-ai
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/apple
canonical/safari

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