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CVE-2021-30851

Published: 27 October 2021

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.

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
mdeslaur
webkit2gtk no longer builds on bionic's toolchain
Priority

Medium

CVSS 3 base score: 8.8

Status

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

focal Needs triage

hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial 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

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support, was needs-triage)
webkit2gtk
Launchpad, Ubuntu, Debian
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)
jammy
Released (2.34.0-1ubuntu1)
trusty Does not exist

upstream
Released (2.34.0)
xenial Deferred

webkitgtk
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support, was needs-triage)
wpewebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Does not exist