CVE-2022-34479: Medium severity firefox esr vulnerability
A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks. This bug only affects Firefox for Linux. Other operating systems are unaffected.
Other sources
A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks. This bug only affects Thunderbird for Linux. Other operating systems are unaffected.
— Mozilla
A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks. <br>This bug only affects Thunderbird for Linux. Other operating systems are unaffected.. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2022-34479?
CVE-2022-34479 is considered a potential spoofing vulnerability that affects user interface elements in Firefox for Linux.
How do I fix CVE-2022-34479?
To mitigate CVE-2022-34479, upgrade to Firefox ESR version 91.11 or later, or Thunderbird version 91.11 or later.
Which versions of Firefox are affected by CVE-2022-34479?
CVE-2022-34479 affects Firefox for Linux versions prior to 102.0.
Is CVE-2022-34479 affecting other operating systems?
No, CVE-2022-34479 only affects Firefox for Linux; other operating systems are not impacted.
What can a malicious website do in relation to CVE-2022-34479?
A malicious website can create a popup that overlays the address bar, leading to user confusion and potential spoofing attacks.