Security News > 2023 > July > Firefox 115 is out, says farewell to users of older Windows and Mac versions
As a consequence, this is the last version of Firefox that users on those operating systems will receive.
From next month, if you're stuck with computers that can only run older, unsupported versions of Windows and macOS, you'll automatically be switched over to the Firefox ESR version.
After which the oldest supported ESR release will be based on the code of next month's major version 116, which won't run on your older Windows and Mac devices any more.
In short, Windows 7, Windows 8 and macOS-before-Catalina won't get Firefox updates at all after September 2024, because even the ESR version will no longer support those platforms.
As usual, Mozilla is candid enough to admit, even for bugs found automatically that might ultimately turn out not to be dangerous, "We presume that with enough effort some of these could have been exploited to run arbitrary code." CVE-2023-37212: Memory safety bugs fixed in Firefox 115.
If Firefox is supplied by your Linux or BSD distro, check back with the distro itself for the latest version.
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Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-07-05 | CVE-2023-37212 | Out-of-bounds Write vulnerability in Mozilla Firefox Memory safety bugs present in Firefox 114. | 8.8 |