Firefox 12-51 52 Esr Download Patched Jun 2026

Directory Listing: /pub/firefox/releases/52.9.0esr/win32/en-US/

Firefox 52 ESR is a special version that received security updates and bug fixes for an extended period, making it a popular choice for users and organizations that need a stable and secure browser without the need for the latest features. firefox 12-51 52 esr download

Firefox 52 ESR was the last version compatible with Windows XP and Windows Vista . Directory Listing: /pub/firefox/releases/52

These versions contain hundreds of known security holes (CVE-listed), including critical remote execution flaws. Modern web standards (HSTS, HTTP/2, ES6+ JavaScript) will fail or render poorly. firefox 12-51 52 esr download