{"id":"ALPINE-CVE-2020-27844","details":"A flaw was found in openjpeg's src/lib/openjp2/t2.c in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.","modified":"2025-12-03T22:47:05.014101Z","published":"2021-01-05T18:15:14.147Z","upstream":["CVE-2020-27844"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2020-27844"}],"affected":[{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6","2.3.1-r7"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}},{"package":{"name":"openjpeg","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/openjpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0-r0"}]}],"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","2.3.1-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-27844.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}