Mozilla · Firefox · CVE-2017-5422
**Name of the Vulnerable Software and Affected Versions**
Firefox versions prior to 52
Thunderbird versions prior to 52
**Description**
A malicious site can trigger a non-exploitable browser crash by using the "view-source:" protocol in a series within a single hyperlink. This issue was resolved by preventing "view-source:" from being linkable.
**Recommendations**
For Firefox versions prior to 52, update to version 52 or later to resolve the issue.
For Thunderbird versions prior to 52, update to version 52 or later to resolve the issue.