REDHAT-BUG-2483957: 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 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<26.5
Apple iPadOS<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 Safari/iOS/iPadOS/macOS/tvOS/visionOS/watchOS to a version that resolves this vulnerability.

    Fixed in 26.5

Event History

Jun 2, 2026
Data Sourced
via Red Hat·01:28 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2483957?

The severity of REDHAT-BUG-2483957 is categorized as high, with a score of 7.

2

How do I fix REDHAT-BUG-2483957?

To fix REDHAT-BUG-2483957, upgrade to Safari 26.5, iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, or watchOS 26.5.

3

What kind of issues does REDHAT-BUG-2483957 address?

REDHAT-BUG-2483957 addresses improved memory handling to prevent unexpected process crashes due to maliciously crafted web content.

4

When was REDHAT-BUG-2483957 published?

REDHAT-BUG-2483957 was published on June 2, 2026.

5

Which software versions are affected by REDHAT-BUG-2483957?

The affected software versions for REDHAT-BUG-2483957 include various Apple products such as Safari, iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS prior to their respective 26.5 versions.

Contact

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