{"id":"CVE-2018-20199","details":"A NULL pointer dereference was discovered in ifilter_bank of libfaad/filtbank.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service because adding to windowed output is mishandled in the ONLY_LONG_SEQUENCE case.","modified":"2026-04-11T12:08:20.486955Z","published":"2018-12-18T01:29:00.470Z","related":["openSUSE-SU-2025:15214-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_FIELD","extracted_events":[{"last_affected":"10.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"8.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"9.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"}]},"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202006-17"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5109"},{"type":"EVIDENCE","url":"https://github.com/knik0/faad2/issues/24"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/knik0/faad2","events":[{"introduced":"0"},{"fixed":"365532ebc7772464a1aa17cefd3bfdce6648266d"}],"database_specific":{"source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"fixed":"2.9.0"}],"cpe":"cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:*:*:*:*:*:*:*:*"}}],"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-2018-20199.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}