{"id":"USN-8865-1","summary":"edk2 vulnerabilities","details":"It was discovered that EDK II incorrectly handled CMS key unwrapping in the\nembedded OpenSSL library. An attacker could possibly use this issue to\ncause a heap buffer overflow, resulting in a denial of service. This issue\nonly affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu\n24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-63072)\n\nIt was discovered that EDK II incorrectly handled CMP protection\nverification in the embedded OpenSSL library. An attacker could possibly\nuse this issue to cause a denial of service. This issue only affected\nUbuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-63076)\n\nIt was discovered that EDK II incorrectly buffered DTLS records in the\nembedded OpenSSL library. A remote attacker could possibly use this issue\nto cause EDK II to consume excessive memory, resulting in a denial of\nservice. (CVE-2026-54874)\n\nIt was discovered that EDK II incorrectly verified AEAD tags in the\nembedded OpenSSL library. An attacker could possibly use this issue to\ncause EDK II to accept forged messages. This issue only affected Ubuntu\n24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-75803)","modified":"2026-10-05T19:41:45.599523915Z","published":"2026-10-05T11:06:16Z","related":["UBUNTU-CVE-2026-54874","UBUNTU-CVE-2026-63072","UBUNTU-CVE-2026-63076","UBUNTU-CVE-2026-75803"],"upstream":["CVE-2026-54874","CVE-2026-63072","CVE-2026-63076","CVE-2026-75803","UBUNTU-CVE-2026-54874","UBUNTU-CVE-2026-63072","UBUNTU-CVE-2026-63076","UBUNTU-CVE-2026-75803"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8865-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-54874"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63072"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63076"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-75803"}],"affected":[{"package":{"name":"edk2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/edk2?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20160408.ffea0a2c-2ubuntu0.2+esm4"}]}],"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","0~20160408.ffea0a2c-2ubuntu0.2+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"ovmf","binary_version":"0~20160408.ffea0a2c-2ubuntu0.2+esm4"},{"binary_version":"0~20160408.ffea0a2c-2ubuntu0.2+esm4","binary_name":"qemu-efi"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-54874","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8865-1.json"}},{"package":{"name":"edk2","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/edk2?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20180205.c0d9813c-2ubuntu0.3+esm3"}]}],"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","0~20180205.c0d9813c-2ubuntu0.3+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"ovmf","binary_version":"0~20180205.c0d9813c-2ubuntu0.3+esm3"},{"binary_name":"qemu-efi","binary_version":"0~20180205.c0d9813c-2ubuntu0.3+esm3"},{"binary_name":"qemu-efi-aarch64","binary_version":"0~20180205.c0d9813c-2ubuntu0.3+esm3"},{"binary_name":"qemu-efi-arm","binary_version":"0~20180205.c0d9813c-2ubuntu0.3+esm3"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2026-54874"},{"id":"CVE-2026-63072","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8865-1.json"}},{"package":{"name":"edk2","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/edk2?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20191122.bd85bf54-2ubuntu3.6+esm1"}]}],"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","0~20191122.bd85bf54-2ubuntu3.2","0~20191122.bd85bf54-2ubuntu3.3","0~20191122.bd85bf54-2ubuntu3.4","0~20191122.bd85bf54-2ubuntu3.5","0~20191122.bd85bf54-2ubuntu3.6"],"ecosystem_specific":{"binaries":[{"binary_version":"0~20191122.bd85bf54-2ubuntu3.6+esm1","binary_name":"ovmf"},{"binary_version":"0~20191122.bd85bf54-2ubuntu3.6+esm1","binary_name":"qemu-efi"},{"binary_name":"qemu-efi-aarch64","binary_version":"0~20191122.bd85bf54-2ubuntu3.6+esm1"},{"binary_name":"qemu-efi-arm","binary_version":"0~20191122.bd85bf54-2ubuntu3.6+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2026-54874"},{"id":"CVE-2026-63072","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8865-1.json"}},{"package":{"name":"edk2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/edk2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2022.02-3ubuntu0.22.04.7"}]}],"versions":["2021.08~rc0-2","2021.08-3","2021.11~rc1-1","2021.11-1","2021.11-2","2022.02~rc1-1","2022.02~rc1-1ubuntu1","2022.02-1","2022.02-2","2022.02-3","2022.02-3ubuntu0.22.04.1","2022.02-3ubuntu0.22.04.2","2022.02-3ubuntu0.22.04.3","2022.02-3ubuntu0.22.04.4","2022.02-3ubuntu0.22.04.5","2022.02-3ubuntu0.22.04.6"],"ecosystem_specific":{"availability":"No 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