{"schemaVersion":3,"id":"USN-6449-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"ffmpeg regression\n\n\nUSN-6449-1 fixed vulnerabilities in FFmpeg. Unfortunately that update\ncould introduce a regression in tools using an FFmpeg library, like VLC.\n\nThis updated fixes the problem. We apologize for the inconvenience.\n\nOriginal advisory details:\n\nIt was discovered that FFmpeg incorrectly managed memory resulting\nin a memory leak. An attacker could possibly use this issue to cause\na denial of service via application crash. This issue only\naffected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-22038)\n\nIt was discovered that FFmpeg incorrectly handled certain input files,\nleading to an integer overflow. An attacker could possibly use this issue\nto cause a denial of service via application crash. This issue only\naffected Ubuntu 20.04 LTS. (CVE-2020-20898, CVE-2021-38090,\nCVE-2021-38091, CVE-2021-38092, CVE-2021-38093, CVE-2021-38094)\n\nIt was discovered that FFmpeg incorrectly managed memory, resulting in\na memory leak.  If a user or automated system were tricked into\nprocessing a specially crafted input file, a remote attacker could\npossibly use this issue to cause a denial of service, or execute\narbitrary code. (CVE-2022-48434)","dates":{"published":"2023-11-15T09:38:15.000Z","modified":"2026-04-22T10:41:19.931Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"ffmpeg","name":"ffmpeg","label":"ffmpeg","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/ffmpeg","purlType":"deb","versions":[{"text":"< 7:3.4.11-0ubuntu0.1+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 7:4.2.7-0ubuntu0.1+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 7:4.4.2-0ubuntu0.22.04.1+esm3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 7:3.4.11-0ubuntu0.1+esm4 | < 7:4.2.7-0ubuntu0.1+esm4 | < 7:4.4.2-0ubuntu0.22.04.1+esm3","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6449-2","label":"ubuntu.com/security/notices/USN-6449-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://launchpad.net/bugs/2042743","label":"launchpad.net/bugs/2042743","hostname":"launchpad.net","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-11-15T09:38:15.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T10:41:19.931Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T17:33:28.596Z","stale":false,"partial":false}}