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CVE-2021-30888

Published: 24 August 2021

An information leakage issue was addressed. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1. A malicious website using Content Security Policy reports may be able to leak information via redirect behavior .

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

7.4

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

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

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

kinetic Does not exist

mantic Does not exist

webkit2gtk
Launchpad, Ubuntu, Debian
jammy
Released (2.34.0-1ubuntu1)
lunar
Released (2.34.0-1ubuntu1)
trusty Does not exist

xenial Deferred

bionic Deferred

focal
Released (2.34.1-0ubuntu0.20.04.1)
hirsute
Released (2.34.1-0ubuntu0.21.04.1)
impish
Released (2.34.0-1ubuntu1)
upstream
Released (2.34.0)
kinetic
Released (2.34.0-1ubuntu1)
mantic
Released (2.34.0-1ubuntu1)
webkitgtk
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

mantic Does not exist

wpewebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

hirsute Ignored
(end of life)
jammy Needs triage

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

impish Ignored
(end of life)
mantic Does not exist

Severity score breakdown

Parameter Value
Base score 7.4
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N