{"cve":"CVE-2023-5368","nvd":{"published":"2023-10-04T04:15:14.143","modified":"2026-06-17T06:48:26.557","status":"Modified","description":"On an msdosfs filesystem, the 'truncate' or 'ftruncate' system calls under certain circumstances populate the additional space in the file with unallocated data from the underlying disk device, rather than zero bytes.\n\nThis may permit a user with write access to files on a msdosfs filesystem to read unintended data (e.g. from a previously deleted file).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-1188"],"references":["https://dfir.ru/2023/11/01/bringing-unallocated-data-back-the-fat12-16-32-case/","https://security.FreeBSD.org/advisories/FreeBSD-SA-23:12.msdosfs.asc","https://security.netapp.com/advisory/ntap-20231124-0004/","https://dfir.ru/2023/11/01/bringing-unallocated-data-back-the-fat12-16-32-case/","https://security.FreeBSD.org/advisories/FreeBSD-SA-23:12.msdosfs.asc"],"products":["freebsd:freebsd"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-5368","score":0.00666,"percentile":0.51857,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}