Firefox Community Forum

I use a 2009 Mac Mini running OS 10.11.6 dedicated for streaming. I was prompted to update Firefox to ESR which I did, replacing the older version of Firefox. The new version will not open.

It was the only browser I had. Can I undo the installation? Or download 78.15.0 somehow to restore the functionality of this Mac?

Background: I need to run an enterprise web app on selected PCs and Macs, the browser will not be used for browsing, do not highlight security risks.

I must absolutely use Firefox 48 because it is the latest version to support showModalDialog()

I installed Firefox 48 on Windows and everything is ok, it works as it should.

On MacOS Sequoia, on the other hand, Firefox starts, the menus in the “Apple” bar at the top are usable, but the browser window is totally transparent, only the border and title bar are slightly visible.

I read on the support forum that it might be enough to disable hardware acceleration, but I can't do that because the options page doesn't even show!

What do these question marks mean? Do they indicate tentatively planned releases?

Bottom line: will there be 115.22 through 115.24?

/uploads/images/2025-03-23-07-41-00-a333e6.png

Hello,

I am currently using an old version of Firefox (56.0.2) for personal use because of the addons that are no longer supported. I understand the security risks involved, but I need this version for a specific project that is critical to me.

If it functions well now, will I encounter any new issues after March 14, 2025? I have disabled all browser updates.

Thank you.

Hello after version 131 network.http.strict_response_status_line_parsing option is missing and i have problem with my site error "The status line of the HTTP response is invalid - NS_ERROR_PARSING_HTTP_STATUS_LINE" Can someone is teal me what is new option replace network.http.strict_response_status_line_parsing ? Now i not able to turn off network.http.strict_response_status_line_parsing and not have irping from my website

I want to know whether I can update my current Firefox version with my very old desktop setup. I am using the Firefox browser version 78.15.0esr (64-bit) on my iMac 2007 running OS X El Capitan. This notice came up when opening Firefox: " Your version of Firefox will start to have problems on January 14. A root certificate will expire, causing some preferences and other features to stop working. On March 14, 2025, add-ons and more features will also break." Following the instructions to update, in About Firefox window, it checks for updates and then shows Firefox is up to date. I've interpreted this as there's no version available that I can update to. Is that correct?

Hey, I am using firefox-esr from debian repository (128.6.0esr). The problem is that some other language text shows as a rectangular box with numbers and letters inside it. Please help!!!

I know firefox 78 is old but i accidently did the ESR release before backingup bookmarks.

ESR is nor working on MAC 10.10.5

I was trying to move forward - now I am stuck

Jim

Hello fellow foxes,

I really need to use Firefox version 52ESR.MSI as I need to push it through Active Directory.

I have tried downloading the version from https://ftp.mozilla.org/pub/firefox/releases/52.0.1esr/ ,however there is no MSI version that I can see.

I also tried downloading from https://www.mozilla.org/en-US/firefox/all/desktop-esr/win64-msi/en-US/ but the last version is 115.

I also tried third party sites like oldversion.com but I couldn't find it.

Is there anyway I can get this version of firefox? It's really important to me.

Thanks in advance

Firefox is default browser. Have used McAfee Truekey for years with no issues. It has now disappeared from browser. Reloaded the app, and McAfee website tells me to activate it. How do I do this/ should I do this?

I'm on a Mac running OS 10.14.6. I have consistently updated, and currently have Firefox 115.20.0esr. Yesterday a tax website said my Firefox was out of date, and wanted me to update. From within Firefox I clicked to update, and it downloaded an installer. But when I installed this new update, it's the same version: 115.20.0esr.

Can you shed any light on this? Is there any reason to keep this "new" version of Firefox?

Thank you for your help!

Hi All We are utilising the Firefox ESR 115.21 (current release) on some devices to keep them as risk free as possible while we work on upgrading them. I was wondering if the CVE that our monitoring software is reporting as currently open vulnerabilities against version 115.21 are correct and if so, is there any plan to mitigate these in the upcoming ESR between now and Aug 2025? I would just like to understand so I can document on our end appropriately. Thanks in advance.

Mozilla Firefox ESR (x64 en-US) (ver. 115.21.0) CVE's: CVE Details - Risk - Date of Release CVE-2024-7518 6.5 Aug 7, 2024 CVE-2024-7520 8.8 Aug 7, 2024 CVE-2024-7528 8.8 Aug 7, 2024 CVE-2024-8385 9.8 Sep 4, 2024 CVE-2024-8386 6.1 Sep 4, 2024 CVE-2024-9397 6.1 Oct 2, 2024 CVE-2024-9398 5.3 Oct 2, 2024

Hello Mozilla, I have a Lenovo G700 laptop with the WINDOWS 7 Pro operating system My browser is Firefox 115.19.0 (see file Firefox.jpg) During the security check in online banking I am told that the browser is out of date (see firefox2.jpg) But I can only update the version and it says "Firefox is up to date" What's wrong with that?

Best regards Heimo Ganzoort