Unable to enable the OpenH264 plugin in Firefox 102

Solution Verified - Updated -


  • When enabling the OpenH264 plugin, it sits at "OpenH264 Video Codec provided by Cisco Systems, Inc. will be installed shortly"
  • Unable to use OpenH264 in Firefox 102 ESR


  • Red Hat Enterprise Linux 7.9
  • Red Hat Enterprise Linux 8.6
  • Red Hat Enterprise Linux 8.7
  • Red Hat Enterprise Linux 9.1
  • firefox package version earlier than 102.9.0-3

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