{"id":"CVE-2019-19636","aliases":["DEBIAN-CVE-2019-19636","EUVD-2019-9246","GHSA-7m84-qcqm-rgjv","UBUNTU-CVE-2019-19636"],"status":"published","title":"An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function...","description":"An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0123,"percentile":0.69172,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2019-12-08T03:00:53Z","modified":"2026-10-20T10:52:32Z","fixes":[{"ecosystem":"Debian:12","package":"libsixel","fixed_in":["1.8.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libsixel","fixed_in":["1.8.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libsixel","fixed_in":["1.8.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libsixel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libsixel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libsixel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libsixel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.2-1","1.5.2-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libsixel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.2-2","1.7.3-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libsixel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.2-1","1.8.2-2.1"]}],"products":[{"vendor":"saitoha","product":"libsixel"}],"references":[{"url":"https://github.com/saitoha/libsixel/issues/104","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19636"},{"url":"https://github.com/advisories/GHSA-7m84-qcqm-rgjv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-19636","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-19636","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-19636","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-19636","description":"An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.","status":"published","published":"2019-12-08T03:00:53Z","modified":"2024-08-05T02:25:12.3Z","updated_at":"2026-11-02T14:20:20.74896Z"}],"euvd":[{"id":"EUVD-2019-9246","description":"An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.","status":"published","published":"2019-12-08T03:00:53Z","modified":"2024-08-05T02:25:12Z","updated_at":"2026-11-03T02:40:24.842572Z"}],"ghsa":[{"id":"GHSA-7m84-qcqm-rgjv","title":"An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function...","description":"An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.","status":"published","published":"2022-05-24T17:02:53Z","modified":"2026-04-24T15:33:24Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:07:37.660763Z"}],"nvd":[{"id":"CVE-2019-19636","description":"An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.","status":"published","published":"2019-12-08T03:15:10.973Z","modified":"2026-06-17T02:26:59.213Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:05:38.993437Z"}],"osv":[{"id":"CVE-2019-19636","description":"An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.","status":"published","published":"2019-12-08T03:15:10.973Z","modified":"2026-10-20T10:52:32.437601946Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:12.010761Z"},{"id":"DEBIAN-CVE-2019-19636","description":"An issue was discovered in libsixel 1.8.2. 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