CVE-2025-43433

HIGH 8.8

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to memory corruption.

Vendor	apple
Product	safari
Ecosystems	iOS macOS
Industries	Technology
Published	Nov 4, 2025
Last Updated	Jul 15, 2026

Stay Ahead of the Next One

Get instant alerts for apple safari

Be the first to know when new high vulnerabilities affecting apple safari are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

Apple / Safari

0 < 26.1

Apple / iOS and iPadOS

0 < 18.7.2 0 < 26.1

Apple / macOS

0 < 26.1

Apple / tvOS

0 < 26.1

Apple / visionOS

0 < 26.1

Apple / watchOS

0 < 26.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

support.apple.com: https://support.apple.com/en-us/125632 support.apple.com: https://support.apple.com/en-us/125633 support.apple.com: https://support.apple.com/en-us/125634 support.apple.com: https://support.apple.com/en-us/125637 support.apple.com: https://support.apple.com/en-us/125638 support.apple.com: https://support.apple.com/en-us/125639 support.apple.com: https://support.apple.com/en-us/125640 access.redhat.com: https://access.redhat.com/security/cve/CVE-2025-43433 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2448783 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-43433.json access.redhat.com: https://access.redhat.com/errata/RHSA-2025:23583 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:22789 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:23433 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:23434 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:23743 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:23742 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:23452 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:23451 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:23591 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:23110 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:22790