{"id":"UBUNTU-CVE-2015-8026","details":"Heap-based buffer overflow in the verify_vbr_checksum function in exfatfsck in exfat-utils before 1.2.1 allows remote attackers to cause a denial of service (infinite loop) or possibly execute arbitrary code via a crafted filesystem.","modified":"2025-07-16T07:33:28.236200Z","published":"2017-03-27T15:59:00Z","withdrawn":"2025-07-18T16:43:18Z","upstream":["CVE-2015-8026"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8026"},{"type":"REPORT","url":"https://github.com/relan/exfat/issues/5"},{"type":"REPORT","url":"https://crashes.fuzzing-project.org/exfatfsck-heap-overflow-write-verify_vbr_checksum"},{"type":"REPORT","url":"https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-8026"}],"affected":[{"package":{"name":"exfat-utils","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/exfat-utils@1.2.1-2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1-2"}]}],"versions":["1.1.1-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"exfat-utils","binary_version":"1.2.1-2"},{"binary_name":"exfat-utils-dbgsym","binary_version":"1.2.1-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-8026.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"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}