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CVE-2020-9895

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 Severity Score

9.8

Score breakdown

Status

Package Release Status
qtwebkit-opensource-src
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
bionic Needs triage

focal Needs triage

trusty Does not exist

upstream Needs triage

hirsute Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
xenial Needs triage

impish Ignored
(end of life)
jammy Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
qtwebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

hirsute Does not exist

kinetic Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

qtwebkit-source
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

trusty Does not exist

hirsute Does not exist

xenial Needs triage

kinetic Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

webkit2gtk
Launchpad, Ubuntu, Debian
hirsute
Released (2.28.4-1)
xenial Deferred

kinetic
Released (2.28.4-1)
bionic
Released (2.28.4-0ubuntu0.18.04.1)
focal
Released (2.28.4-0ubuntu0.20.04.1)
groovy
Released (2.28.4-1)
impish
Released (2.28.4-1)
jammy
Released (2.28.4-1)
lunar
Released (2.28.4-1)
trusty Does not exist

upstream Needs triage

mantic
Released (2.28.4-1)
webkitgtk
Launchpad, Ubuntu, Debian
hirsute Does not exist

xenial Needs triage

kinetic Does not exist

bionic Needs triage

focal Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

mantic Does not exist

wpewebkit
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(2.28.4-1)
kinetic Does not exist

bionic Does not exist

focal Needs triage

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

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H