CVE-2013-7324
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.
Date published : 2020-02-17
http://www.openwall.com/lists/oss-security/2014/02/10/13
https://people.canonical.com/~ubuntu-security/cve/2013/CVE-2013-7324.html