{"id":"UBUNTU-CVE-2021-25801","details":"A buffer overflow vulnerability in the __Parse_indx component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.","modified":"2026-02-05T03:14:09.825856Z","published":"2021-07-26T17:15:00Z","related":["USN-6180-1"],"upstream":["CVE-2021-25801"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-25801"},{"type":"REPORT","url":"https://code.videolan.org/videolan/vlc-3.0/-/commit/f5f8cc3ab8825f178de3f6714bfbff8b3f293fd2"},{"type":"REPORT","url":"https://code.videolan.org/videolan/vlc-3.0/-/commit/f5f8cc3ab8825f178de3f6714bfbff8b3f293fd2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6180-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-25801"}],"affected":[{"package":{"name":"vlc","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/vlc@2.2.2-5ubuntu0.16.04.5+esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.2-5ubuntu0.16.04.5+esm2"}]}],"versions":["2.2.1-3","2.2.1-5","2.2.2-1","2.2.2-2","2.2.2-3","2.2.2-3build1","2.2.2-4","2.2.2-5","2.2.2-5ubuntu0.16.04.1","2.2.2-5ubuntu0.16.04.2","2.2.2-5ubuntu0.16.04.3","2.2.2-5ubuntu0.16.04.4","2.2.2-5ubuntu0.16.04.5+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"libvlc-dev"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"libvlc5"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"libvlccore-dev"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"libvlccore8"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc-data"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc-nox"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc-plugin-fluidsynth"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc-plugin-jack"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc-plugin-notify"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc-plugin-samba"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc-plugin-sdl"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc-plugin-svg"},{"binary_version":"2.2.2-5ubuntu0.16.04.5+esm2","binary_name":"vlc-plugin-zvbi"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-25801.json"}},{"package":{"name":"vlc","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/vlc@3.0.8-0ubuntu18.04.1+esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.8-0ubuntu18.04.1+esm1"}]}],"versions":["2.2.6-6","2.2.6-6build1","2.2.7-1","2.2.8-1","2.2.8-1ubuntu4","2.2.8-2","3.0.0~rc1-1ubuntu1","3.0.0~rc1-1ubuntu3","3.0.0~rc2-1ubuntu1","3.0.0~rc2-2ubuntu1","3.0.0~rc2-2ubuntu2","3.0.0~rc4-1ubuntu1","3.0.0~rc7-2ubuntu1","3.0.0~rc8-1ubuntu1","3.0.0-1ubuntu1","3.0.1-1ubuntu5","3.0.1-2ubuntu1","3.0.1-2ubuntu2","3.0.1-3","3.0.1-3build1","3.0.2-0ubuntu0.1","3.0.3-1-1ubuntu1","3.0.4-1ubuntu0.2","3.0.7.1-0ubuntu18.04.1","3.0.8-0ubuntu18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"libvlc-bin"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"libvlc-dev"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"libvlc5"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"libvlccore-dev"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"libvlccore9"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-bin"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-data"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-l10n"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-access-extra"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-base"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-fluidsynth"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-jack"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-notify"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-qt"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-samba"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-skins2"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-svg"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-video-output"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-video-splitter"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-visualization"},{"binary_version":"3.0.8-0ubuntu18.04.1+esm1","binary_name":"vlc-plugin-zvbi"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-25801.json"}},{"package":{"name":"vlc","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/vlc@3.0.9.2-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.9.2-1ubuntu0.1~esm1"}]}],"versions":["3.0.8-2","3.0.8-2build1","3.0.8-3","3.0.8-3build1","3.0.8-3build2","3.0.8-3build4","3.0.8-4","3.0.9.2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"libvlc-bin"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"libvlc-dev"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"libvlc5"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"libvlccore-dev"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"libvlccore9"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-bin"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-data"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-l10n"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-access-extra"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-base"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-fluidsynth"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-jack"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-notify"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-qt"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-samba"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-skins2"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-svg"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-video-output"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-video-splitter"},{"binary_version":"3.0.9.2-1ubuntu0.1~esm1","binary_name":"vlc-plugin-visualization"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-25801.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}