CVE-2020-15665: Medium severity Mozilla Firefox vulnerability
Firefox did not reset the address bar after the beforeunload dialog was shown if the user chose to remain on the page. This could have resulted in an incorrect URL being shown when used in conjunction with other unexpected browser behaviors.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 80 - Upgrade
Upgrade
alpine/firefoxto a version that resolves this vulnerability.Fixed in 80.0-r0 - Upgrade
Upgrade
alpine/librewolfto a version that resolves this vulnerability.Fixed in 80.0-r0
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2020-15665?
CVE-2020-15665 is a vulnerability in Firefox where the address bar is not reset after the beforeunload dialog is shown, resulting in an incorrect URL being displayed.
How does CVE-2020-15665 affect Firefox?
CVE-2020-15665 affects Firefox versions prior to 80.
What is the severity of CVE-2020-15665?
CVE-2020-15665 has a severity level of medium.
How can I mitigatethe CVE-2020-15665 vulnerability?
Upgrade Firefox to version 80 or higher to mitigate the CVE-2020-15665 vulnerability.
Where can I find more information about CVE-2020-15665?
You can find more information about CVE-2020-15665 on the Mozilla website.