Following vulnerability was discovered on the 2.4 stable series of WebKitGTK+:
Use-after-free vulnerability in the HTMLFormElement::prepareForSubmission function in core/html/HTMLFormElement.cpp in Blink, as used in Google Chrome before 30.0.1599.101, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to submission for FORM elements.
Created webkitgtk4 tracking bugs for this issue:
Affects: fedora-all [bug 1186276]
Created webkitgtk3 tracking bugs for this issue:
Affects: fedora-all [bug 1181092]
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.