{"id":"ALPINE-CVE-2018-20198","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 LONG_START_SEQUENCE case.","modified":"2026-03-09T01:12:48.222564Z","published":"2018-12-18T01:29:00.440Z","upstream":["CVE-2018-20198"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2018-20198"}],"affected":[{"package":{"name":"faad2","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/faad2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}],"versions":["2.7-r0","2.7-r1","2.7-r2","2.7-r3","2.7-r4","2.7-r5","2.7-r6","2.7-r7","2.7-r8","2.8.8-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20198.json"}},{"package":{"name":"faad2","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/faad2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}],"versions":["2.7-r0","2.7-r1","2.7-r2","2.7-r3","2.7-r4","2.7-r5","2.7-r6","2.7-r7","2.7-r8","2.8.8-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20198.json"}},{"package":{"name":"faad2","ecosystem":"Alpine:v3.7","purl":"pkg:apk/alpine/faad2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}],"versions":["2.7-r0","2.7-r1","2.7-r2","2.7-r3","2.7-r4","2.7-r5","2.7-r6","2.7-r7"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20198.json"}},{"package":{"name":"faad2","ecosystem":"Alpine:v3.8","purl":"pkg:apk/alpine/faad2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}],"versions":["2.7-r0","2.7-r1","2.7-r2","2.7-r3","2.7-r4","2.7-r5","2.7-r6","2.7-r7","2.7-r8"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20198.json"}},{"package":{"name":"faad2","ecosystem":"Alpine:v3.9","purl":"pkg:apk/alpine/faad2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}],"versions":["2.7-r0","2.7-r1","2.7-r2","2.7-r3","2.7-r4","2.7-r5","2.7-r6","2.7-r7","2.7-r8"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2018-20198.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}