{"schemaVersion":3,"id":"CVE-2020-35965","aliases":["MGASA-2021-0273","UBUNTU-CVE-2020-35965","DEBIAN-CVE-2020-35965"],"status":"published","duplicateOf":null,"title":null,"description":"decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when to perform memset zero operations.","dates":{"published":"2021-01-04T01:07:31.000Z","modified":"2024-08-04T17:16:13.456Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0231,"percentile":0.83124,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.04699999999999982,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.02263},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0231,"percentile":0.83124}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02263,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02291,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0231,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0231,"percentile":0.83124}]},"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":[{"id":"REF_DDF5DB70BA4DC8FD","name":"Exploit Reference (bugs.chromium.org)","source":"reference","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"debian","product":"ffmpeg","name":"ffmpeg","label":"ffmpeg","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/ffmpeg","purlType":"deb","versions":[{"text":"< 7:4.3.1-6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 7:4.3.1-6","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"ffmpeg","name":"ffmpeg","label":"ffmpeg","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/ffmpeg","purlType":"deb","versions":[{"text":"< 7:2.8.17-0ubuntu0.1+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 7:3.4.11-0ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 7:4.2.7-0ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 7:2.8.17-0ubuntu0.1+esm4 | < 7:3.4.11-0ubuntu0.1 | < 7:4.2.7-0ubuntu0.1","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"9.0","noFixRecorded":false,"fixedIn":null},{"text":"10.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.0 | 10.0","eol":{"isEol":true,"eolDate":"2022-07-01T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"9","label":"9 (Stretch)","eolFrom":"2022-07-01T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"9.13"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"ffmpeg","product":"ffmpeg","name":"ffmpeg","label":"ffmpeg","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 4.3.1, < 4.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.3.1, < 4.4","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"ffmpeg","label":"FFmpeg","category":"framework"}},"hubHref":"/vendor/ffmpeg/ffmpeg"},{"vendor":"mageia","product":"ffmpeg","name":"ffmpeg","label":"ffmpeg","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/ffmpeg","purlType":"rpm","versions":[{"text":"< 4.1.6-1.1.mga7","noFixRecorded":false,"fixedIn":null},{"text":"< 4.1.6-1.1.mga7.tainted","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.1.6-1.1.mga7 | < 4.1.6-1.1.mga7.tainted","eol":null,"hubHref":null}],"affectedCount":5,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3","label":"github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3","hostname":"github.com","tags":["X Refsource MISC","REPORT","Patch","Third Party Advisory"]},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532","label":"bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532","hostname":"bugs.chromium.org","tags":["X Refsource MISC","REPORT","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b","label":"github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b","hostname":"github.com","tags":["X Refsource MISC","REPORT","Patch","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html","label":"lists.debian.org/debian-lts-announce/2021/01/msg00026.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202105-24","label":"security.gentoo.org/glsa/202105-24","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO","Third Party Advisory"]},{"url":"https://www.debian.org/security/2021/dsa-4990","label":"www.debian.org/security/2021/dsa-4990","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN","Third Party Advisory"]},{"url":"https://advisories.mageia.org/MGASA-2021-0273.html","label":"advisories.mageia.org/MGASA-2021-0273.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=28276","label":"bugs.mageia.org/show_bug.cgi?id=28276","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.debian.org/lts/security/2021/dla-2537","label":"www.debian.org/lts/security/2021/dla-2537","hostname":"www.debian.org","tags":["WEB"]},{"url":"https://ubuntu.com/security/CVE-2020-35965","label":"ubuntu.com/security/CVE-2020-35965","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-5472-1","label":"ubuntu.com/security/notices/USN-5472-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-35965","label":"www.cve.org/CVERecord?id=CVE-2020-35965","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-5167-1","label":"ubuntu.com/security/notices/USN-5167-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-35965","label":"security-tracker.debian.org/tracker/CVE-2020-35965","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-2537-1","DSA-4990-1","OPENSUSE-SU-2021:3521-1","SUSE-SU-2021:3521-1","SUSE-SU-2023:0005-1","USN-5167-1","USN-5472-1"],"duplicates":[],"related":["OPENSUSE-SU-2021:3521-1","SUSE-SU-2021:3521-1","SUSE-SU-2023:0005-1","USN-5167-1","USN-5472-1"]},"timeline":[{"kind":"published","date":"2021-01-04T01:07:31.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T17:16:13.456Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":40,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T06:10:33.932Z","stale":false,"partial":false}}