REDHAT-BUG-2483965: High severity Apple Safari vulnerability

Published Jun 2, 2026
·
Updated

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.

Affected Software

7 affected components
Apple Safari<26.5
Apple iOS<18.7.9, <26.5
Apple iPadOS<18.7.9, <26.5
Apple macOS Tahoe<26.5
Apple tvOS<26.5
Apple visionOS<26.5
Apple WatchOS<26.5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apple Safari/WebKit to a version that resolves this vulnerability.

    Fixed in 26.5
  2. Upgrade

    Upgrade Safari on iOS to a version that resolves this vulnerability.

    Fixed in 18.7.9
  3. Upgrade

    Upgrade Safari on iPadOS to a version that resolves this vulnerability.

    Fixed in 18.7.9

Event History

Jun 2, 2026
Data Sourced
via Red Hat·01:40 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2483965?

The severity of REDHAT-BUG-2483965 is classified as high with a score of 7.

2

What issue does REDHAT-BUG-2483965 address?

REDHAT-BUG-2483965 addresses an issue related to improved memory handling in various Apple software.

3

Which versions fix the vulnerability described in REDHAT-BUG-2483965?

The vulnerability is fixed in Safari 26.5, iOS 18.7.9, iPadOS 18.7.9, and other Apple operating systems at version 26.5.

4

What could happen if the vulnerability in REDHAT-BUG-2483965 is exploited?

Exploitation of REDHAT-BUG-2483965 may lead to an unexpected process crash when processing maliciously crafted web content.

5

How do I fix the issue related to REDHAT-BUG-2483965?

To fix the REDHAT-BUG-2483965 issue, users should update to the latest versions of the affected Apple software as specified.

Contact

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