Amazon Linux 2 (EOS) Security Advisory: ALAS2-2026-3891
Advisory Released Date: 2026-08-31
Advisory Updated Date: 2026-08-31
FAQs regarding Amazon Linux ALAS/CVE Severity
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10. Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-28984)
This issue was addressed through improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6. Visiting a website may lead to an app denial-of-service. (CVE-2026-43804)
This issue was addressed with improved checks. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Websites may know if the user has visited a given link. (CVE-2026-64713)
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-64719)
A permissions issue was addressed with improved validation. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Maliciously crafted web content may violate iframe sandboxing policy. (CVE-2026-64728)
The issue was addressed with improved UI. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website that frames malicious content may lead to UI spoofing. (CVE-2026-64730)
A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-64757)
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-64783)
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected process termination. (CVE-2026-64787)
Affected Packages:
webkitgtk4
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update webkitgtk4 or yum update --advisory ALAS2-2026-3891 to update your system.
aarch64:
webkitgtk4-2.52.6-1.amzn2.aarch64
webkitgtk4-devel-2.52.6-1.amzn2.aarch64
webkitgtk4-jsc-2.52.6-1.amzn2.aarch64
webkitgtk4-jsc-devel-2.52.6-1.amzn2.aarch64
i686:
webkitgtk4-2.52.6-1.amzn2.i686
webkitgtk4-devel-2.52.6-1.amzn2.i686
webkitgtk4-jsc-2.52.6-1.amzn2.i686
webkitgtk4-jsc-devel-2.52.6-1.amzn2.i686
src:
webkitgtk4-2.52.6-1.amzn2.src
x86_64:
webkitgtk4-2.52.6-1.amzn2.x86_64
webkitgtk4-devel-2.52.6-1.amzn2.x86_64
webkitgtk4-jsc-2.52.6-1.amzn2.x86_64
webkitgtk4-jsc-devel-2.52.6-1.amzn2.x86_64