Summary
A large number of security issues were discovered in the WebKitGTK Web and
JavaScript engines. If a user were tricked into viewing a malicious
website, a remote attacker could exploit a variety of issues related to web
browser security, including cross-site scripting attacks, denial of service
attacks, and arbitrary code execution.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | webkit2gtk | 2.32.3-0ubuntu0.18.04.1 |
| Ubuntu · 20.04 LTS 20.04:LTS | webkit2gtk | 2.32.3-0ubuntu0.20.04.1 |
Vulnerabilities 13
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High 8.8CVE-2021-30665 Exploited
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.…
KEV Nov 3, 2021 -
High 7.8CVE-2021-30663 Exploited
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, …
KEV Nov 3, 2021 -
Medium 6.8
A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitG…
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Medium 6.8
A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A…
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Unscored —
A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6,…
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Unscored —
A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Saf…
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Unscored —
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 1…
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Unscored —
Description: A cross-origin issue with iframe elements was addressed with improved tracking of security origins. This i…
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Unscored —
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 1…
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Unscored —
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari 14.1.2, macO…
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Unscored —
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, Safari 14.1.2, m…
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Unscored —
This issue was addressed with improved checks. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watc…
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Unscored —
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS …
References
-
report
https://ubuntu.com/security/CVE-2021-21775
-
report
https://ubuntu.com/security/CVE-2021-21779
-
report
https://ubuntu.com/security/CVE-2021-30663
-
report
https://ubuntu.com/security/CVE-2021-30665
-
report
https://ubuntu.com/security/CVE-2021-30689
-
report
https://ubuntu.com/security/CVE-2021-30720
-
report
https://ubuntu.com/security/CVE-2021-30734
-
report
https://ubuntu.com/security/CVE-2021-30744
-
report
https://ubuntu.com/security/CVE-2021-30749
-
report
https://ubuntu.com/security/CVE-2021-30758
-
report
https://ubuntu.com/security/CVE-2021-30795
-
report
https://ubuntu.com/security/CVE-2021-30797
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report
https://ubuntu.com/security/CVE-2021-30799