{"id":"CVE-2018-20197","details":"There is a stack-based buffer underflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because limiting the additional noise energy level is mishandled for the G_max \u003e G case.","modified":"2026-03-20T11:24:32.771760Z","published":"2018-12-18T01:29:00.410Z","references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html"},{"type":"WEB","url":"https://seclists.org/bugtraq/2019/Sep/28"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202006-17"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4522"},{"type":"EVIDENCE","url":"https://github.com/knik0/faad2/issues/20"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/knik0/faad2","events":[{"introduced":"0"},{"last_affected":"334e7647a5f31903aca33dde39bb8683e9d8cccd"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.8.8"}]}}],"versions":["2_8_0","2_8_1","2_8_2","2_8_3","2_8_4","2_8_5","2_8_6","2_8_7","2_8_8","FAAD2_2_5","FAAD2_2_7","FAAD2_2_7_1","arelease","ver_2_0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20197.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}