Fresh install of Firefox crashes on start-up (Kubuntu)

Hello, As of today, Firefox crashes on start-up systematically. I am running Kubuntu 20.04. I have removed and re-installed Firefox, updated my system and rebooted, to no avail. Firefox also crashes immediately in safe mode. Here are the contents of the latest crash report: crash.main.3 1615543458 0e088671-1749-7b47-eaa8-c46234fbf35c {"AdapterDeviceID":"0x3e92","AdapterDriverVendor":"mesa/iris","AdapterDriverVersion":"20.2.6.0","AdapterVendorID":"0x8086","AvailablePageFile":"33430781952","AvailablePhysicalMemory":"10081841152","AvailableSwapMemory":"33946071040","AvailableVirtualMemory":"13101850624","BuildID":"20210222142601","CrashTime":"1615543458","DesktopEnvironment":"kde","InstallTime":"1615543396","IsWayland":"0","IsWaylandDRM":"0","MinidumpSha256Hash":"859ed3f7b490dceb443f3ab7a9ae2da54b1a5aadfb5c5be3549b136f0fb1c07d","MozCrashReason":"OOB","Notes":"FP(D00-L1000-W00000000-T000) Has dual GPUs. GPU #2: AdapterVendorID2: 0x10de, AdapterDeviceID2: 0x1c8dWR? WR- OMTP? OMTP+4 ","ProductID":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","ProductName":"Firefox","ReleaseChannel":"release","SafeMode":"0","SecondsSinceLastCrash":"61","ServerURL":"https://crash-reports.mozilla.com/submit?id={ec8030f7-c20a-464f-9b0e-13a3a9e97384}&version=86.0&buildid=20210222142601","StackTraces":{"crash_info":{"address":"0","crashing_thread":0,"type":"SIGSEGV /SEGV_MAPERR"},"modules":[{"base_addr":"0x7ff5ca805000","code_id":"b4d9c9cd4cb726828738a3d5100288519e263562","debug_file":"libxul.so","debug_id":"CDC9D9B4B74C82268738A3D5100288510","end_addr":"0x7ff5d2b61000","filename":"libxul.so","version":""}],"status":"OK","threads":[{"frames":[{"ip":"0x7ff5d0295c5b","module_index":0,"trust":"context"},{"ip":"0x7ff5cf691cce","module_index":0,"trust":"scan"}]}]},"StartupCrash":"1","StartupTime":"1615543457","ThreadIdNameMapping":"5263:\"IPC I/O Parent\",5264:\"Timer\",5265:\"Netlink Monitor\",5266:\"Socket Thread\",5267:\"Permission\",5268:\"JS Watchdog\",5270:\"JS Helper\",5269:\"JS Helper\",5271:\"JS Helper\",5272:\"JS Helper\",5273:\"JS Helper\",5275:\"JS Helper\",5276:\"JS Helper\",5274:\"JS Helper\",5283:\"SoftwareVsyncThread\",5284:\"Compositor\",","TotalPageFile":"50527924224","TotalPhysicalMemory":"16581853184","UptimeTS":".4716963","Vendor":"Mozilla","Version":"86.0"} Any help would be much appreciated!