CVE-2025-43457 Use after free in Safari

What is CVE-2025-43457?

CVE-2025-43457 is a medium-severity use after free vulnerability in Apple Ipados, published on 4 Nov 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Weakness: CWE-416

Which versions are affected by CVE-2025-43457?

3 open source packages ship an affected version, including java, java-min and jre. It affects 5 products.

Products include Apple Ipados, Apple Iphone Os, Apple Safari, Apple Visionos, Apple Watchos.

How do I fix CVE-2025-43457?

Upgrade java to a fixed version for your release line: 1.8.0 or 8.0.491.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2025-43457 being exploited?

There is no known exploitation of CVE-2025-43457 in the wild and no public exploit code.

Other vulnerabilities in Apple Ipados

• CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write Exploited Critical 10.0
• CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write Exploited Critical 10.0
• CVE-2025-24085 Apple Multiple Products Use-After-Free Exploited Critical 10.0
• CVE-2025-31200 Apple Multiple Products Memory Corruption Exploited Critical 9.8
• CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write Exploited Critical 9.8

All Apple Ipados vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-java-2025-43457, BIT-java-min-2025-43457, BIT-jre-2025-43457, DEBIAN-CVE-2025-43457, GHSA-9c63-94gf-85h2, MINI-fj7p-cpf2-m663 and 1 more.