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CVE-2020-9893

Published: 29 July 2020

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, Safari 13.1.2, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. A remote attacker may be able to cause unexpected application termination or arbitrary 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
Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
qtwebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

qtwebkit-opensource-src
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

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

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Needs triage

qtwebkit-source
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Ignored
(end of standard support, was needs-triage)
webkit2gtk
Launchpad, Ubuntu, Debian
bionic
Released (2.28.4-0ubuntu0.18.04.1)
focal
Released (2.28.4-0ubuntu0.20.04.1)
groovy
Released (2.28.4-1)
hirsute
Released (2.28.4-1)
impish
Released (2.28.4-1)
jammy
Released (2.28.4-1)
precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Deferred

webkitgtk
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise 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

groovy Not vulnerable
(2.28.4-1)
hirsute Not vulnerable
(2.28.4-1)
impish Not vulnerable
(2.28.4-1)
jammy Not vulnerable
(2.28.4-1)
precise Does not exist

trusty Does not exist

upstream
Released (2.28.4-1)
xenial Does not exist