{"id":"CVE-2019-14443","aliases":["DLA-2021-1","EUVD-2019-5636","GHSA-vjwp-mr35-7rh6","UBUNTU-CVE-2019-14443"],"status":"published","title":"An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec...","description":"An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01198,"percentile":0.6835,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-369"],"published":"2019-07-30T12:05:49Z","modified":"2026-10-24T10:30:39Z","affected":[{"source":"osv","ecosystem":"Debian:8","package":"libav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:11.12-1~deb8u9"}]}],"versions":["6:11.11-1~deb8u1","6:11.12-1~deb8u1","6:11.12-1~deb8u2","6:11.12-1~deb8u3","6:11.12-1~deb8u4","6:11.12-1~deb8u5","6:11.12-1~deb8u6","6:11.12-1~deb8u7","6:11.12-1~deb8u8","6:11.3-1","6:11.3-1+deb8u1","6:11.3-2","6:11.3-3","6:11.4-1","6:11.4-1~deb8u1","6:11.4-2","6:11.4-2+x32.1","6:11.6-1~deb8u1","6:11.7-1~deb8u1","6:11.8-1~deb8u1","6:11.9-1~deb8u1"],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"libav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6:0.8.7-1ubuntu2","6:9.10-1ubuntu1","6:9.10-1ubuntu2","6:9.10-1ubuntu5","6:9.10-1ubuntu6","6:9.10-1ubuntu7","6:9.11-2ubuntu1","6:9.11-2ubuntu2","6:9.13-0ubuntu0.14.04.1","6:9.14-0ubuntu0.14.04.1","6:9.16-0ubuntu0.14.04.1","6:9.18-0ubuntu0.14.04.1","6:9.20-0ubuntu0.14.04.1","6:9.20-0ubuntu0.14.04.1+esm1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"libav","product":"libav"}],"references":[{"url":"https://bugzilla.libav.org/show_bug.cgi?id=1161#c1","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/12/msg00003.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14443"},{"url":"https://github.com/advisories/GHSA-vjwp-mr35-7rh6"},{"url":"https://ubuntu.com/security/CVE-2019-14443","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-14443","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-14443","description":"An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.","status":"published","published":"2019-07-30T12:05:49Z","modified":"2024-08-05T00:19:40.659Z","updated_at":"2026-11-02T14:20:18.085548Z"}],"euvd":[{"id":"EUVD-2019-5636","description":"An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.","status":"published","published":"2019-07-30T12:05:49Z","modified":"2024-08-05T00:19:40Z","updated_at":"2026-11-03T02:40:39.508511Z"}],"ghsa":[{"id":"GHSA-vjwp-mr35-7rh6","title":"An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec...","description":"An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.","status":"published","published":"2022-05-24T16:51:46Z","modified":"2023-03-03T03:30:23Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:54:15.627441Z"}],"nvd":[{"id":"CVE-2019-14443","description":"An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.","status":"published","published":"2019-07-30T13:15:18.53Z","modified":"2026-06-17T02:18:26.553Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:05:21.892729Z"}],"osv":[{"id":"CVE-2019-14443","description":"An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.","status":"published","published":"2019-07-30T13:15:18.53Z","modified":"2026-10-24T10:30:39.511333414Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:11.029493Z"},{"id":"UBUNTU-CVE-2019-14443","description":"An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.","status":"published","published":"2019-07-30T13:15:00Z","modified":"2026-04-22T12:11:14.498528Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:19.6877Z"},{"id":"DLA-2021-1","title":"libav - security update","status":"published","published":"2019-12-05T00:00:00Z","modified":"2026-03-09T01:18:35.695385Z","updated_at":"2026-11-02T15:46:10.227108Z"}]}}