Firefox 82.0.3 and 78.4.1 ESR released

Mozilla[German] Mozilla's developers have released version 82.0.3 and the 78.4.1 ISR of the Firefox browser on November 10, 2020. These are maintenance updates for the browser, which close vulnerabilities.


Firefox 82.0.3

Blog-reader EP has pointed out the update in this comment (thanks for that). And German blog reader Gerold pointed out in this comment that a critical vulnerability presented at the Tianfu Cup 2020 International Cybersecurity Contest will be fixed with version 82.0.3 and ESR 78.4.1 (thanks for that). In the release notes it says about version 82.0.3 that Firefox closes the following vulnerability with this version:

CVE-2020-26950: Write side effects in MCallGetProperty opcode not accounted for – found in Tianfu Cup 2020 International Cybersecurity Contest

Firefox 78.4.1 esr

An update of Firefox 78.4.1 esr with one year long term support with the same fixed vulnerabilities was also offered. Firefox 82.0.3 and 78.4.1 can be downloaded from this website (the variant can be selected from the list boxes displayed). The updates are also available for direct download.  

  • Firefox 82.0.3: Download Installer
  • Firefox 78.4.1 esr: Download Installer

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