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Published: 17 February 2020

Webkit-GTK 2.x (any version with HTML5 audio/video support based on GStreamer) allows remote attackers to trigger unexpectedly high sound volume via malicious javascript. NOTE: this WebKit-GTK behavior complies with existing W3C standards and existing practices for GNOME desktop integration.


webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8



Cvss 3 Severity Score


Score breakdown


Package Release Status
Launchpad, Ubuntu, Debian
lucid Ignored
(end of life)
precise Ignored
(end of life)
quantal Ignored
(end of life)
saucy Ignored
(end of life)
trusty Does not exist

upstream Needs triage

utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Does not exist

trusty Does not exist
(trusty was not-affected [2.4.8-1ubuntu1~ubuntu14.04.1])
upstream Needs triage

utopic Ignored
(end of life)
vivid Ignored
(end of life)
wily Not vulnerable
xenial Not vulnerable
yakkety Not vulnerable

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N