{"id":"ALPINE-CVE-2020-27824","details":"A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.","modified":"2025-12-03T22:47:05.885049Z","published":"2021-05-13T14:15:17.557Z","upstream":["CVE-2020-27824"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2020-27824"}],"affected":[{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-r5"}]}],"versions":["1.3-r0","1.3-r1","1.5.0-r1","1.5.0-r2","1.5.1-r0","1.5.1-r1","2.1.0-r0","2.1.0-r1","2.1.1-r0","2.1.1-r1","2.1.2-r0","2.1.2-r1","2.2.0-r0","2.2.0-r1","2.2.0-r2","2.2.0-r3","2.3.0-r0","2.3.0-r1","2.3.0-r2","2.3.0-r3","2.3.1-r0","2.3.1-r1","2.3.1-r2","2.3.1-r3","2.3.1-r4"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27824.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-r5"}]}],"versions":["1.3-r0","1.3-r1","1.5.0-r1","1.5.0-r2","1.5.1-r0","1.5.1-r1","2.1.0-r0","2.1.0-r1","2.1.1-r0","2.1.1-r1","2.1.2-r0","2.1.2-r1","2.2.0-r0","2.2.0-r1","2.2.0-r2","2.2.0-r3","2.3.0-r0","2.3.0-r1","2.3.0-r2","2.3.0-r3","2.3.1-r0","2.3.1-r1","2.3.1-r2","2.3.1-r3","2.3.1-r4"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27824.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-r6"}]}],"versions":["1.3-r0","1.3-r1","1.5.0-r1","1.5.0-r2","1.5.1-r0","1.5.1-r1","2.1.0-r0","2.1.0-r1","2.1.1-r0","2.1.1-r1","2.1.2-r0","2.1.2-r1","2.2.0-r0","2.2.0-r1","2.2.0-r2","2.2.0-r3","2.3.0-r0","2.3.0-r1","2.3.0-r2","2.3.0-r3","2.3.1-r0","2.3.1-r1","2.3.1-r2","2.3.1-r3","2.3.1-r4","2.3.1-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27824.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-r6"}]}],"versions":["1.3-r0","1.3-r1","1.5.0-r1","1.5.0-r2","1.5.1-r0","1.5.1-r1","2.1.0-r0","2.1.0-r1","2.1.1-r0","2.1.1-r1","2.1.2-r0","2.1.2-r1","2.2.0-r0","2.2.0-r1","2.2.0-r2","2.2.0-r3","2.3.0-r0","2.3.0-r1","2.3.0-r2","2.3.0-r3","2.3.1-r0","2.3.1-r1","2.3.1-r2","2.3.1-r3","2.3.1-r4","2.3.1-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27824.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-r6"}]}],"versions":["1.3-r0","1.3-r1","1.5.0-r1","1.5.0-r2","1.5.1-r0","1.5.1-r1","2.1.0-r0","2.1.0-r1","2.1.1-r0","2.1.1-r1","2.1.2-r0","2.1.2-r1","2.2.0-r0","2.2.0-r1","2.2.0-r2","2.2.0-r3","2.3.0-r0","2.3.0-r1","2.3.0-r2","2.3.0-r3","2.3.1-r0","2.3.1-r1","2.3.1-r2","2.3.1-r3","2.3.1-r4","2.3.1-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27824.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-r6"}]}],"versions":["1.3-r0","1.3-r1","1.5.0-r1","1.5.0-r2","1.5.1-r0","1.5.1-r1","2.1.0-r0","2.1.0-r1","2.1.1-r0","2.1.1-r1","2.1.2-r0","2.1.2-r1","2.2.0-r0","2.2.0-r1","2.2.0-r2","2.2.0-r3","2.3.0-r0","2.3.0-r1","2.3.0-r2","2.3.0-r3","2.3.1-r0","2.3.1-r1","2.3.1-r2","2.3.1-r3","2.3.1-r4","2.3.1-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27824.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-r6"}]}],"versions":["1.3-r0","1.3-r1","1.5.0-r1","1.5.0-r2","1.5.1-r0","1.5.1-r1","2.1.0-r0","2.1.0-r1","2.1.1-r0","2.1.1-r1","2.1.2-r0","2.1.2-r1","2.2.0-r0","2.2.0-r1","2.2.0-r2","2.2.0-r3","2.3.0-r0","2.3.0-r1","2.3.0-r2","2.3.0-r3","2.3.1-r0","2.3.1-r1","2.3.1-r2","2.3.1-r3","2.3.1-r4","2.3.1-r5"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27824.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-r6"}]}],"versions":["1.3-r0","1.3-r1","1.5.0-r1","1.5.0-r2","1.5.1-r0","1.5.1-r1","2.1.0-r0","2.1.0-r1","2.1.1-r0","2.1.1-r1","2.1.2-r0","2.1.2-r1","2.2.0-r0","2.2.0-r1","2.2.0-r2","2.2.0-r3","2.3.0-r0","2.3.0-r1","2.3.0-r2","2.3.0-r3","2.3.1-r0","2.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