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CVE-2021-30884

Publication date 24 August 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.7 · Medium

Score breakdown

The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history.

Read the notes from the security team

Status

Package Ubuntu Release Status
qtwebkit-opensource-src 24.04 LTS noble Ignored
23.10 mantic Ignored
23.04 lunar Ignored
22.10 kinetic Ignored
22.04 LTS jammy Ignored
21.10 impish Ignored
21.04 hirsute Ignored
20.04 LTS focal Ignored
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
qtwebkit-source 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
webkit2gtk 24.04 LTS noble
Fixed 2.34.0-1ubuntu1
23.10 mantic
Fixed 2.34.0-1ubuntu1
23.04 lunar
Fixed 2.34.0-1ubuntu1
22.10 kinetic
Fixed 2.34.0-1ubuntu1
22.04 LTS jammy
Fixed 2.34.0-1ubuntu1
21.10 impish
Fixed 2.34.0-1ubuntu1
21.04 hirsute
Fixed 2.34.1-0ubuntu0.21.04.1
20.04 LTS focal
Fixed 2.34.1-0ubuntu0.20.04.1
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
webkitgtk 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
wpewebkit 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Ignored
21.10 impish Ignored
21.04 hirsute Ignored
20.04 LTS focal Ignored
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

jdstrand

webkit receives limited support. For details, see https://wiki.sne.bianheman.eu.org/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

Severity score breakdown

Parameter Value
Base score 4.7 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N