MFSA2023-06 Firefox: Security Vulnerabilities fixed in Firefox ESR 102.8 (CVE-2023-25730)

MFSA2023-06 Firefox: Security Vulnerabilities fixed in Firefox ESR 102.8 (CVE-2023-25730)

Severity

6

CVSS

(AV:N/AC:M/Au:N/C:P/I:P/A:N)

Published

02/14/2023

Created

02/17/2023

Added

02/16/2023

Modified

01/28/2025

Description

A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Solution(s)

• mozilla-firefox-esr-upgrade-102_8

References

• https://attackerkb.com/topics/cve-2023-25730
• CVE - 2023-25730
• http://www.mozilla.org/security/announce/2023/mfsa2023-06.html