{"id":"UBUNTU-CVE-2018-9841","details":"The export function in libavfilter/vf_signature.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (out-of-array access) or possibly have unspecified other impact via a long filename.","modified":"2026-04-22T13:23:24.707164Z","published":"2018-04-07T07:29:00Z","upstream":["CVE-2018-9841"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-9841"},{"type":"REPORT","url":"http://git.videolan.org/?p=ffmpeg.git;a=commit;h=35eeff30caf34df835206f1c12bcf4b7c2bd6758"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-9841"}],"affected":[{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg@7:3.4.4-0ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.4.4-0ubuntu0.18.04.1"}]}],"versions":["7:3.3.4-2","7:3.3.4-2build3","7:3.4-2ubuntu2","7:3.4-4","7:3.4-4build1","7:3.4.1-1","7:3.4.1-1build1","7:3.4.2-1","7:3.4.2-1build1","7:3.4.2-2"],"ecosystem_specific":{"binaries":[{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"ffmpeg"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavcodec-extra"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavcodec-extra57"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavcodec57"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavdevice57"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavfilter-extra"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavfilter-extra6"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavfilter6"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavformat57"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavresample3"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libavutil55"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libpostproc54"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libswresample2"},{"binary_version":"7:3.4.4-0ubuntu0.18.04.1","binary_name":"libswscale4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9841.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}