{"id":"UBUNTU-CVE-2023-46407","details":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.","modified":"2025-07-16T08:29:34.038641Z","published":"2023-10-27T20:15:00Z","withdrawn":"2025-07-18T16:54:40Z","upstream":["CVE-2023-46407"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-46407"},{"type":"REPORT","url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/"},{"type":"REPORT","url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/"},{"type":"REPORT","url":"https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962"},{"type":"REPORT","url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen@gmail.com/"},{"type":"REPORT","url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen@gmail.com/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-46407"}],"affected":[{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg@7:6.1.1-3ubuntu5?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:6.1.1-3ubuntu5"}]}],"versions":["7:6.0-6ubuntu1","7:6.0-9ubuntu1","7:6.1-2ubuntu1","7:6.1-3ubuntu1","7:6.1-4ubuntu1","7:6.1-5ubuntu1","7:6.1.1-1ubuntu1","7:6.1.1-3ubuntu1"],"ecosystem_specific":{"availability":"No 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