Tuesday, February 20, 2024

Mozilla Firefox Version 123.0 Released with Security Updates

  FirefoxMozilla sent Firefox Version 123.0 to the release channel.  Firefox ESR was updated to Version 115.7.

The update includes twelve security updates of which four (4) are rated high, six (6) are rated moderate, and two (2) are rated low.



#CVE-2024-1546: Out-of-bounds memory read in networking channels
#CVE-2024-1547: Alert dialog could have been spoofed on another site
#CVE-2024-1553: Memory safety bugs fixed in Firefox 123, Firefox ESR 115.8, and Thunderbird 115.8
#CVE-2024-1557: Memory safety bugs fixed in Firefox 123


#CVE-2024-1554: fetch could be used to effect cache poisoning
#CVE-2024-1548: Fullscreen Notification could have been hidden by select element
#CVE-2024-1549: Custom cursor could obscure the permission dialog
#CVE-2024-1550: Mouse cursor re-positioned unexpectedly could have led to unintended permission grants
#CVE-2024-1551: Multipart HTTP Responses would accept the Set-Cookie header in response parts
#CVE-2024-1555: SameSite cookies were not properly respected when opening a website from an external browser


#CVE-2024-1556: Invalid memory access in the built-in profiler
#CVE-2024-1552: Incorrect code generation on 32-bit ARM devices


  • We’ve integrated search into Firefox View. You can now search through all of the tabs on each of the section subpages - Recent Browsing, Open Tabs, Recently Closed Tabs, Tabs from other devices, or History.

  • Having any issues with a website on Firefox, yet the site seems to be working as expected on another browser? You can now let us know via the Web Compatibility Reporting Tool! By filing a web compatibility issue, you’re directly helping us detect, target, and fix the most impacted sites to make your browsing experience on Firefox smoother.


  • When translating web pages, we are now also translating text in tooltips (i.e. titles) and text displayed in form controls (i.e. placeholder).

  • Various security fixes.


  • Address bar settings can now be found in the Firefox Settings' Search section.

Update: To get the update now, select "Help" from the Firefox menu, then pick "About Firefox."  Mac users need to select "About Firefox" from the Firefox menu. If you do not use the English language version, Fully Localized Versions are available for download.


Remember - "A day without laughter is a day wasted."
May the wind sing to you and the sun rise in your heart...

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