CVE-2023-42950 Use after free in Safari

What is CVE-2023-42950?

CVE-2023-42950 is a high-severity use after free vulnerability in Apple Ipados, published on 28 Mar 2024. 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 17.2, iOS 17.2 and iPadOS 17.2, tvOS 17.2, watchOS 10.2, macOS Sonoma 14.2. Processing maliciously crafted web content may lead to arbitrary code execution.

Weakness: CWE-416

Which versions are affected by CVE-2023-42950?

3 open source packages ship an affected version, including java, java-min and jre. It affects 6 products.

Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari, Apple Tvos, Apple Watchos.

How do I fix CVE-2023-42950?

Upgrade java to a fixed version for your release line: 1.8.0 or 8.0.431.

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-2023-42950 being exploited?

There is no known exploitation of CVE-2023-42950 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-2023-42950, BIT-java-min-2023-42950, BIT-jre-2023-42950, DEBIAN-CVE-2023-42950, GHSA-6cvp-282g-6jp8, MINI-389v-rv84-89qh and 1 more.