{"id":"CVE-2018-20502","aliases":["EUVD-2018-13056","GHSA-5966-596h-6mf4","UBUNTU-CVE-2018-20502"],"status":"published","title":"An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation...","description":"An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation in the AP4_DataBuffer class when called from AP4_HvccAtom::Create in Core/Ap4HvccAtom.cpp.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01053,"percentile":0.64601,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2018-12-26T23:00:00Z","modified":"2026-10-20T10:50:24Z","affected":[{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.14+ds1-1","2.6.23+ds1-1","19.0.0+ds1-1","19.0.0+ds1-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.3.11+ds-1","20.3.17+ds-4","20.3.18+ds-1","20.3.18+ds-1build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21.5.9+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21.5.16+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21.5.9+ds-1","21.5.16+ds-1"]}],"products":[{"vendor":"axiosys","product":"bento4"}],"references":[{"url":"https://github.com/axiomatic-systems/Bento4/issues/349","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20502"},{"url":"https://github.com/advisories/GHSA-5966-596h-6mf4"},{"url":"https://ubuntu.com/security/CVE-2018-20502","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-20502","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-20502","description":"An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation in the AP4_DataBuffer class when called from AP4_HvccAtom::Create in Core/Ap4HvccAtom.cpp.","status":"published","published":"2018-12-26T23:00:00Z","modified":"2024-09-17T00:07:21.443Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-13056","description":"An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation in the AP4_DataBuffer class when called from AP4_HvccAtom::Create in Core/Ap4HvccAtom.cpp.","status":"published","published":"2018-12-26T23:00:00Z","modified":"2024-09-17T00:07:21Z","updated_at":"2026-11-03T00:29:01.573177Z"}],"ghsa":[{"id":"GHSA-5966-596h-6mf4","title":"An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation...","description":"An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation in the AP4_DataBuffer class when called from AP4_HvccAtom::Create in Core/Ap4HvccAtom.cpp.","status":"published","published":"2022-05-14T01:38:25Z","modified":"2023-02-02T05:04:26Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:51:52.184259Z"}],"nvd":[{"id":"CVE-2018-20502","description":"An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation in the AP4_DataBuffer class when called from AP4_HvccAtom::Create in Core/Ap4HvccAtom.cpp.","status":"published","published":"2018-12-26T23:29:00.213Z","modified":"2026-06-17T01:52:59.107Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/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-400"],"updated_at":"2026-11-02T14:04:52.056758Z"}],"osv":[{"id":"CVE-2018-20502","description":"An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation in the AP4_DataBuffer class when called from AP4_HvccAtom::Create in Core/Ap4HvccAtom.cpp.","status":"published","published":"2018-12-26T23:29:00.213Z","modified":"2026-10-20T10:50:24.621002485Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:09.145458Z"},{"id":"UBUNTU-CVE-2018-20502","description":"An issue was discovered in Bento4 1.5.1-627. There is an attempt at excessive memory allocation in the AP4_DataBuffer class when called from AP4_HvccAtom::Create in Core/Ap4HvccAtom.cpp.","status":"published","published":"2018-12-26T23:29:00Z","modified":"2026-10-17T12:55:25.491928322Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.91743Z"}]}}