REDHAT-BUG-2483960: 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 to a fixed release to a version that resolves this vulnerability.

    Fixed in 26.5
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 18.7.9

Event History

Jun 2, 2026
Data Sourced
via Red Hat·01:31 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2483960?

The severity of REDHAT-BUG-2483960 is high, rated at 7.

2

How do I fix REDHAT-BUG-2483960?

To fix REDHAT-BUG-2483960, update to Safari 26.5, iOS 18.7.9, iPadOS 18.7.9, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, or watchOS 26.5.

3

What type of issue is addressed in REDHAT-BUG-2483960?

REDHAT-BUG-2483960 addresses an issue with improved memory handling that may lead to unexpected process crashes.

4

Which Apple software versions are affected by REDHAT-BUG-2483960?

Affected software versions include various releases of Apple Safari, iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS prior to the fixed versions.

5

What could happen if REDHAT-BUG-2483960 is exploited?

Exploiting REDHAT-BUG-2483960 could lead to an unexpected process crash when processing maliciously crafted web content.

Contact

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