Amazon Linux 2 (EOS) Security Advisory: ALAS2-2026-3987
Advisory Released Date: 2026-10-12
Advisory Updated Date: 2026-10-12
FAQs regarding Amazon Linux ALAS/CVE Severity
In filterMask of SkEmbossMaskFilter.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. (CVE-2024-43091)
In initializeSwizzler of SkBmpStandardCodec.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. (CVE-2025-26416)
Out-of-bounds write vulnerability in the skia module.
Impact: Successful exploitation of this vulnerability may affect service confidentiality. (CVE-2025-54627)
A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may bypass Content Security Policy. (CVE-2026-43670)
A permissions issue was addressed by removing the vulnerable code. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may disclose sensitive user information. (CVE-2026-64753)
The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Visiting a maliciously crafted website may leak sensitive data. (CVE-2026-64778)
The issue was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-64781)
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-64782)
This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-65332)
This issue was addressed through improved state 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 Safari crash. (CVE-2026-65351)
A logic issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to an unexpected process termination. (CVE-2026-84635)
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 ALAS2-2026-3987 to update your system.
aarch64:
webkitgtk4-2.54.0-1.amzn2.0.1.aarch64
webkitgtk4-devel-2.54.0-1.amzn2.0.1.aarch64
webkitgtk4-jsc-2.54.0-1.amzn2.0.1.aarch64
webkitgtk4-jsc-devel-2.54.0-1.amzn2.0.1.aarch64
i686:
webkitgtk4-2.54.0-1.amzn2.0.1.i686
webkitgtk4-devel-2.54.0-1.amzn2.0.1.i686
webkitgtk4-jsc-2.54.0-1.amzn2.0.1.i686
webkitgtk4-jsc-devel-2.54.0-1.amzn2.0.1.i686
src:
webkitgtk4-2.54.0-1.amzn2.0.1.src
x86_64:
webkitgtk4-2.54.0-1.amzn2.0.1.x86_64
webkitgtk4-devel-2.54.0-1.amzn2.0.1.x86_64
webkitgtk4-jsc-2.54.0-1.amzn2.0.1.x86_64
webkitgtk4-jsc-devel-2.54.0-1.amzn2.0.1.x86_64