{"id":"UBUNTU-CVE-2021-28211","details":"A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.","modified":"2026-02-04T03:54:51.905532Z","published":"2021-03-16T00:00:00Z","related":["USN-4923-1","USN-7060-1"],"upstream":["CVE-2021-28211"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-28211"},{"type":"REPORT","url":"https://github.com/tianocore/edk2/pull/1138"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4923-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-28211"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7060-1"}],"affected":[{"package":{"name":"edk2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/edk2@0~20160408.ffea0a2c-2ubuntu0.2+esm3?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20160408.ffea0a2c-2ubuntu0.2+esm3"}]}],"versions":["0~20150106.5c2d456b-2","0~20160104.c2a892d7-1","0~20160408.ffea0a2c-2","0~20160408.ffea0a2c-2ubuntu0.1","0~20160408.ffea0a2c-2ubuntu0.2","0~20160408.ffea0a2c-2ubuntu0.2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"ovmf","binary_version":"0~20160408.ffea0a2c-2ubuntu0.2+esm3"},{"binary_name":"qemu-efi","binary_version":"0~20160408.ffea0a2c-2ubuntu0.2+esm3"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28211.json"}},{"package":{"name":"edk2","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/edk2@0~20180205.c0d9813c-2ubuntu0.3+esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20180205.c0d9813c-2ubuntu0.3+esm2"}]}],"versions":["0~20170911.5dfba97c-1","0~20171010.234dbcef-1","0~20171027.76fd5a66-1","0~20171205.a9212288-1","0~20180105.0bc94c74-1","0~20180205.c0d9813c-1","0~20180205.c0d9813c-2","0~20180205.c0d9813c-2ubuntu0.1","0~20180205.c0d9813c-2ubuntu0.2","0~20180205.c0d9813c-2ubuntu0.3","0~20180205.c0d9813c-2ubuntu0.3+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"ovmf","binary_version":"0~20180205.c0d9813c-2ubuntu0.3+esm2"},{"binary_name":"qemu-efi","binary_version":"0~20180205.c0d9813c-2ubuntu0.3+esm2"},{"binary_name":"qemu-efi-aarch64","binary_version":"0~20180205.c0d9813c-2ubuntu0.3+esm2"},{"binary_name":"qemu-efi-arm","binary_version":"0~20180205.c0d9813c-2ubuntu0.3+esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28211.json"}},{"package":{"name":"edk2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/edk2@0~20191122.bd85bf54-2ubuntu3.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20191122.bd85bf54-2ubuntu3.2"}]}],"versions":["0~20190606.20d2e5a1-2ubuntu1","0~20190828.37eef910-3","0~20190828.37eef910-4","0~20191122.bd85bf54-1","0~20191122.bd85bf54-1ubuntu1","0~20191122.bd85bf54-2","0~20191122.bd85bf54-2ubuntu1","0~20191122.bd85bf54-2ubuntu2","0~20191122.bd85bf54-2ubuntu3","0~20191122.bd85bf54-2ubuntu3.1"],"ecosystem_specific":{"binaries":[{"binary_name":"ovmf","binary_version":"0~20191122.bd85bf54-2ubuntu3.2"},{"binary_name":"qemu-efi","binary_version":"0~20191122.bd85bf54-2ubuntu3.2"},{"binary_name":"qemu-efi-aarch64","binary_version":"0~20191122.bd85bf54-2ubuntu3.2"},{"binary_name":"qemu-efi-arm","binary_version":"0~20191122.bd85bf54-2ubuntu3.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28211.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}