{"id":"CVE-2020-19498","aliases":["DEBIAN-CVE-2020-19498","EUVD-2020-11402","GHSA-36hj-m3c2-4ggw"],"status":"published","title":"Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a...","description":"Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01368,"percentile":0.72091,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-07-21T17:20:10Z","modified":"2026-10-26T12:00:48Z","fixes":[{"ecosystem":"Debian:12","package":"libheif","fixed_in":["1.5.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libheif","fixed_in":["1.5.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libheif","fixed_in":["1.5.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libheif","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libheif","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libheif","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-1"}]}]}],"products":[{"vendor":"struktur","product":"libheif"}],"references":[{"url":"https://github.com/strukturag/libheif/issues/139","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/strukturag/libheif/commit/2710c930918609caaf0a664e9c7bc3dce05d5b58","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-19498"},{"url":"https://github.com/advisories/GHSA-36hj-m3c2-4ggw"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-19498","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-19498","description":"Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T17:20:10Z","modified":"2024-08-04T14:08:30.847Z","updated_at":"2026-11-02T14:35:49.879248Z"}],"euvd":[{"id":"EUVD-2020-11402","description":"Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T17:20:10Z","modified":"2024-08-04T14:08:30Z","updated_at":"2026-11-03T03:07:25.299661Z"}],"ghsa":[{"id":"GHSA-36hj-m3c2-4ggw","title":"Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a...","description":"Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2022-05-24T19:08:31Z","modified":"2023-01-30T05:00:54Z","updated_at":"2026-11-02T14:46:17.724191Z"}],"nvd":[{"id":"CVE-2020-19498","description":"Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T18:15:09.133Z","modified":"2026-06-17T02:59:48.99Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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"}],"updated_at":"2026-11-02T14:06:44.292752Z"}],"osv":[{"id":"CVE-2020-19498","description":"Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T18:15:09.133Z","modified":"2026-10-20T13:52:39.316205315Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.212689Z"},{"id":"DEBIAN-CVE-2020-19498","description":"Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T18:15:09.133Z","modified":"2026-10-26T12:00:48.251145178Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.384087Z"}]}}