{"id":"UBUNTU-CVE-2026-116728","details":"libfvde through 20260923 contains a heap out-of-bounds read vulnerability in libfvde_encrypted_metadata_read_type_0x0024() because xml_plist_data_size is not checked against the source metadata block. Attackers can supply a crafted FileVault 2 Core Storage volume that makes libfvde_volume_open() copy past the heap block buffer, crashing the application.","modified":"2026-10-28T20:17:46.198845765Z","published":"2026-10-26T22:16:00Z","upstream":["CVE-2026-116728"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-116728"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-116728"},{"type":"REPORT","url":"https://github.com/libyal/libfvde"},{"type":"REPORT","url":"https://github.com/cveproject/cvelistv5/tree/main/cves/2026/116xxx/cve-2026-116728.json"},{"type":"REPORT","url":"https://github.com/libyal/libfvde/blob/20260923/libfvde/libfvde_encrypted_metadata.c#l3798-l3813"},{"type":"REPORT","url":"https://github.com/libyal/libfvde/commit/c2676fe49d0da44d66e7d750e72c57d2670f0b8f"},{"type":"REPORT","url":"https://github.com/libyal/libfvde/issues/70"},{"type":"REPORT","url":"https://hackmd.io/@haindpwn/libfvde-encrypted-metadata-oob-read"},{"type":"REPORT","url":"https://nvd.nist.gov/vuln/detail/cve-2026-116728"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/libfvde-through-20260923-heap-out-of-bounds-read-via-libfvde-encrypted-metadata-read-type-0x0024"}],"affected":[{"package":{"name":"libfvde","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libfvde?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20160918-1build1","20170930-1","20180108-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libfvde-utils","binary_version":"20180108-1"},{"binary_name":"libfvde1","binary_version":"20180108-1"},{"binary_version":"20180108-1","binary_name":"python-libfvde"},{"binary_name":"python3-libfvde","binary_version":"20180108-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116728.json"}},{"package":{"name":"libfvde","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libfvde?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20190104-1","20190104-1build1","20190104-1ubuntu1","20190104-1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libfvde-utils","binary_version":"20190104-1.1"},{"binary_version":"20190104-1.1","binary_name":"libfvde1"},{"binary_version":"20190104-1.1","binary_name":"python3-libfvde"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116728.json"}},{"package":{"name":"libfvde","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libfvde?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20190104-1.1build1","20190104-1.1build2"],"ecosystem_specific":{"binaries":[{"binary_version":"20190104-1.1build2","binary_name":"libfvde-utils"},{"binary_name":"libfvde1","binary_version":"20190104-1.1build2"},{"binary_name":"python3-libfvde","binary_version":"20190104-1.1build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116728.json"}},{"package":{"name":"libfvde","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libfvde?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20190104-1.1build3","20190104-1.1build4","20190104-1.2","20190104-1.2build1","20190104-1.2build2"],"ecosystem_specific":{"binaries":[{"binary_name":"libfvde-utils","binary_version":"20190104-1.2build2"},{"binary_name":"libfvde1t64","binary_version":"20190104-1.2build2"},{"binary_version":"20190104-1.2build2","binary_name":"python3-libfvde"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116728.json"}},{"package":{"name":"libfvde","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/libfvde?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240502-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libfvde-utils","binary_version":"20240502-2build1"},{"binary_version":"20240502-2build1","binary_name":"libfvde1t64"},{"binary_version":"20240502-2build1","binary_name":"python3-libfvde"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116728.json"}},{"package":{"name":"libfvde","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libfvde?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240502-1build1","20240502-2","20240502-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libfvde-utils","binary_version":"20240502-2build1"},{"binary_version":"20240502-2build1","binary_name":"libfvde1t64"},{"binary_version":"20240502-2build1","binary_name":"python3-libfvde"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116728.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"ty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