{"id":"CVE-2018-19762","aliases":["DEBIAN-CVE-2018-19762","EUVD-2018-11446","GHSA-f8f7-6788-54wv","UBUNTU-CVE-2018-19762"],"status":"published","title":"There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel...","description":"There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00817,"percentile":0.57392,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2018-11-30T03:00:00Z","modified":"2026-10-24T10:30:59Z","fixes":[{"ecosystem":"Debian:12","package":"libsixel","fixed_in":["1.8.2-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libsixel","fixed_in":["1.8.2-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libsixel","fixed_in":["1.8.2-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libsixel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libsixel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libsixel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2-2"}]}]},{"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"]}],"products":[{"vendor":"saitoha","product":"libsixel"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1649199","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-19762"},{"url":"https://github.com/advisories/GHSA-f8f7-6788-54wv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-19762","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-19762","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-19762","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-19762","description":"There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact.","status":"published","published":"2018-11-30T03:00:00Z","modified":"2024-09-16T19:52:17.375Z","updated_at":"2026-11-02T14:35:03.288698Z"}],"euvd":[{"id":"EUVD-2018-11446","description":"There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other 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impact.","status":"published","published":"2018-11-30T03:29:00.563Z","modified":"2026-06-17T01:49:49.38Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:04:49.995593Z"}],"osv":[{"id":"CVE-2018-19762","description":"There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact.","status":"published","published":"2018-11-30T03:29:00.563Z","modified":"2026-10-24T10:30:59.377721135Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"DEBIAN-CVE-2018-19762","description":"There is a heap-based buffer overflow at fromsixel.c (function: 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