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OpenAdvisories
High ALAS2-2026-3987 11 CVEs

Important: webkitgtk4 security update (Amazon Linux 2)

Published Oct 12, 2026 · Updated Oct 12, 2026

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-84635: 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-2026-65351: 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-2026-65332: 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-2026-64782: 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-2026-64781: 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-2026-64778: 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-2026-64753: 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-2026-43670: 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-2025-54627: Out-of-bounds write vulnerability in the skia module. Impact: Successful exploitation of this vulnerability may affect service confidentiality. CVE-2025-26416: 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-2024-43091: 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.

Fixed packages 4

ReleasePackageFixed in
Amazon Linux · 2 webkitgtk4 0:2.54.0-1.amzn2.0.1
Amazon Linux · 2 webkitgtk4-devel 0:2.54.0-1.amzn2.0.1
Amazon Linux · 2 webkitgtk4-jsc 0:2.54.0-1.amzn2.0.1
Amazon Linux · 2 webkitgtk4-jsc-devel 0:2.54.0-1.amzn2.0.1

Vulnerabilities 11

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2024-43091.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-26416.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-54627.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-43670.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64753.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64778.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64781.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64782.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-65332.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-65351.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-84635.html