{"id":"ALPINE-CVE-2021-0561","details":"In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174302683","modified":"2026-03-09T01:18:29.166910Z","published":"2021-06-22T11:15:08.387Z","upstream":["CVE-2021-0561"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-0561"}],"affected":[{"package":{"name":"flac","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.2-r1","1.3.2-r2","1.3.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-0561.json"}},{"package":{"name":"flac","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.2-r1","1.3.2-r2","1.3.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-0561.json"}},{"package":{"name":"flac","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.2-r1","1.3.2-r2","1.3.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-0561.json"}},{"package":{"name":"flac","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.2-r1","1.3.2-r2","1.3.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-0561.json"}},{"package":{"name":"flac","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.2-r1","1.3.2-r2","1.3.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-0561.json"}},{"package":{"name":"flac","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.2-r1","1.3.2-r2","1.3.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-0561.json"}},{"package":{"name":"flac","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.2-r1","1.3.2-r2","1.3.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-0561.json"}},{"package":{"name":"flac","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.2-r1","1.3.2-r2","1.3.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-0561.json"}},{"package":{"name":"flac","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.2-r1","1.3.2-r2","1.3.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-0561.json"}},{"package":{"name":"flac","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/flac?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-r0"}]}],"versions":["1.2.1-r0","1.2.1-r1","1.2.1-r3","1.2.1-r4","1.2.1-r5","1.2.1-r6","1.3.0-r0","1.3.0-r1","1.3.1-r0","1.3.1-r1","1.3.2-r0","1.3.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