CVE-2020-12394: Low severity Mozilla Firefox vulnerability
A logic flaw in our location bar implementation could have allowed a local attacker to spoof the current location by selecting a different origin and removing focus from the input element. This vulnerability affects Firefox < 76.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/firefoxto a version that resolves this vulnerability.Fixed in 76.0+ - Upgrade
Upgrade
ubuntu/firefoxto a version that resolves this vulnerability.Fixed in 76.0 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 130.0-2 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 76 - Upgrade
Upgrade
alpine/firefoxto a version that resolves this vulnerability.Fixed in 76.0-r0 - Upgrade
Upgrade
alpine/librewolfto a version that resolves this vulnerability.Fixed in 76.0-r0
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2020-12394?
CVE-2020-12394 is classified as a moderate severity vulnerability due to the potential for local attackers to spoof the current location.
How do I fix CVE-2020-12394?
To mitigate CVE-2020-12394, upgrade your Firefox installation to version 76.0 or later.
What versions of Firefox are affected by CVE-2020-12394?
CVE-2020-12394 affects all versions of Mozilla Firefox prior to version 76.
Who is impacted by CVE-2020-12394?
Users of Mozilla Firefox versions earlier than 76 are at risk from CVE-2020-12394.
What type of vulnerability is CVE-2020-12394?
CVE-2020-12394 is a logic flaw vulnerability in the location bar implementation of Firefox.