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MP3 Backend of Firefox and Thunderbird Found Vulnerable

jones_supa writes A critical vulnerability has been found in the MPEG-1 Layer III playback backend of Mozilla Firefox and Thunderbird. Security researcher Aki Helin reported a use-after-free scenario when playing certain audio files on the web using the Fluendo MP3 plugin for GStreamer on Linux. This is due to a flaw in handling certain MP3 files by the plugin and its interaction with Mozilla code. A maliciously crafted MP3 file can lead to a potentially exploitable crash. Linux is the only affected platform, so Windows and OS X users are safe from this particular vulnerability.

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  1. Re:Mitigation? by Anonymous Coward · · Score: 2, Informative

    apt-get purge gstreamer1.0-fluendo-mp3

    Ubuntu also asks during installation if you want Fluendo or not.