CVE-2020-26977

Medium

Description

By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain. *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMozilla Firefox Mobile
PublishedJan 7, 2021
First seenJan 7, 2021

How to fix

Update
  • mozilla firefox_mobile84.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefox_mobilev < 84.084.0

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