Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.
** Information type changed from Public Security to Public -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1643262 Title: Muting a tab doesn't actually mute it Status in firefox package in Ubuntu: New Bug description: Description: Kubuntu 16.04.1 LTS Release: 16.04 Installed firefox pkg: 49.0.2+build2-0ubuntu0.16.04.2 When trying to mute a tab it doesn't mute it and keeps playing the sound in the tab. Reloading the tab doesn't solve the problem. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: firefox 49.0.2+build2-0ubuntu0.16.04.2 ProcVersionSignature: Ubuntu 4.4.0-47.68-generic 4.4.24 Uname: Linux 4.4.0-47-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia AddonCompatCheckDisabled: False ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC2D0p: thadah 1803 F...m pulseaudio /dev/snd/controlC2: thadah 1803 F.... pulseaudio /dev/snd/controlC1: thadah 1803 F.... pulseaudio /dev/snd/controlC0: thadah 1803 F.... pulseaudio BuildID: 20161025170400 Channel: Unavailable CurrentDesktop: KDE Date: Sun Nov 20 03:33:45 2016 Extensions: extensions.sqlite corrupt or missing ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) InstallationDate: Installed on 2016-11-05 (14 days ago) InstallationMedia: Kubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) IpRoute: default via 192.168.0.1 dev enp3s0 proto static metric 100 25.0.0.0/8 dev ham0 proto kernel scope link src 25.28.28.138 169.254.0.0/16 dev enp3s0 scope link metric 1000 192.168.0.0/24 dev enp3s0 proto kernel scope link src 192.168.0.19 metric 100 Locales: extensions.sqlite corrupt or missing Plugins: Java(TM) Plug-in 11.111.2 - /usr/lib/jvm/java-8-oracle/jre/lib/amd64/libnpjp2.so Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so PrefSources: prefs.js ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=es_ES.UTF-8 SHELL=/bin/bash Profiles: Profile0 (Default) - LastVersion=49.0.2/20161025170400 (In use) RunningIncompatibleAddons: False SourcePackage: firefox Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/13/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: E16GFIMS.62D dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: MS-16GF dmi.board.vendor: Micro-Star International Co., Ltd. dmi.board.version: REV:0.B dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrE16GFIMS.62D:bd04/13/2015:svnMicro-StarInternationalCo.,Ltd.:pnGE602PC:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-16GF:rvrREV0.B:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: GE60 2PC dmi.product.version: REV:1.0 dmi.sys.vendor: Micro-Star International Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1643262/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp