CVE-2026-20608 Denial of service in Safari

What is CVE-2026-20608?

CVE-2026-20608 is a medium-severity denial of service vulnerability in Apple Ipados, published on 11 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.

Weakness: CWE-120, CWE-770

Which versions are affected by CVE-2026-20608?

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 Macos, Apple Safari, Apple Visionos.

How do I fix CVE-2026-20608?

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

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-20608 being exploited?

There is no known exploitation of CVE-2026-20608 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-2026-20608, BIT-java-min-2026-20608, BIT-jre-2026-20608, DEBIAN-CVE-2026-20608, GHSA-jhq4-533p-8p4c, MINI-6mm6-cfr6-r49c and 1 more.