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CVE-2021-30689

Published: 27 July 2021

A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting.

Notes

AuthorNote
jdstrand
webkit receives limited support. For details, see
https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit
webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
qtwebkit-opensource-src
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

hirsute Ignored
(end of life)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Needs triage

kinetic Ignored
(end of life, was needs-triage)
impish Ignored
(end of life)
mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
qtwebkit-source
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

impish Does not exist

kinetic Does not exist

mantic Does not exist

webkit2gtk
Launchpad, Ubuntu, Debian
jammy
Released (2.32.3-1ubuntu1)
lunar
Released (2.32.3-1ubuntu1)
trusty Does not exist

upstream
Released (2.32.3)
xenial Deferred

bionic
Released (2.32.3-0ubuntu0.18.04.1)
focal
Released (2.32.3-0ubuntu0.20.04.1)
hirsute
Released (2.32.3-0ubuntu0.21.04.1)
impish
Released (2.32.3-1ubuntu1)
kinetic
Released (2.32.3-1ubuntu1)
mantic
Released (2.32.3-1ubuntu1)
webkitgtk
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

hirsute Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

impish Does not exist

xenial Needs triage

kinetic Does not exist

mantic Does not exist

wpewebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

hirsute Ignored
(end of life)
lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

jammy Needs triage

impish Ignored
(end of life)
kinetic Does not exist

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 6.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N