CVE-2026-20644

Description

The issue was addressed with improved memory handling. 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.

How to fix CVE-2026-20644

To remediate CVE-2026-20644, upgrade the affected package to a fixed version below.

• Bitnami/java—upgrade to 1.8.0 or later
• —upgrade to 1.8.0 or later
• —upgrade to 1.8.0 or later
• —upgrade to 2.50.6-1~deb11u1 or later
• —no fix listed

Is CVE-2026-20644 being exploited?

Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.

Affected packages (5)

• from 0, < 1.8.0, >= 1.9.0, < 8.0.491
• from 0, < 1.8.0, >= 1.9.0, < 8.0.491
• from 0, < 1.8.0, >= 1.9.0, < 8.0.491
• from 0, < 2.50.6-1~deb11u1
• from 0

CVSS scores

References (7)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2026-20644
• WEBnvd.nist.gov/vuln/detail/CVE-2026-20644
• WEBsupport.apple.com/en-us/126346
• WEBsupport.apple.com/en-us/126347
• WEBsupport.apple.com/en-us/126348