Output from firefox-esr 102.12.0esr-1: $ firefox-esr ATTENTION: default value of option mesa_glthread overridden by environment. ATTENTION: default value of option mesa_glthread overridden by environment. ATTENTION: default value of option mesa_glthread overridden by environment. ATTENTION: default value of option mesa_glthread overridden by environment. ExceptionHandler::GenerateDump cloned child 13174 ExceptionHandler::SendContinueSignalToChild sent continue signal to child ExceptionHandler::WaitForContinueSignal waiting for continue signal... Exiting due to channel error.
Output is almost the same for firefox 114.0-1, just one fewer of the mesa_glthread messages, and the last line is missing. Downgrading libnss3 to 2:3.89-2 fixes the crash here, too.