{"id":"CVE-2013-5666","aliases":["EUVD-2013-5505","GHSA-v8wr-59hv-fh6h"],"status":"published","title":"The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2...","description":"The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2-RC1 and 9.2-RC2 does not properly pad transmissions, which allows local users to obtain sensitive information (kernel memory) via a length greater than the length of the file.","severity":{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:C/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00306,"percentile":0.23597,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2013-09-23T20:00:00Z","modified":"2026-06-16T23:59:13Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"http://www.freebsd.org/security/advisories/FreeBSD-SA-13%3a11.sendfile.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","Vendor Advisory"]},{"url":"http://osvdb.org/97142","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.securitytracker.com/id/1029013","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://svnweb.freebsd.org/base?view=revision\u0026revision=255442","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-5666"},{"url":"https://github.com/advisories/GHSA-v8wr-59hv-fh6h"}],"sources":{"cve":[{"id":"CVE-2013-5666","description":"The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2-RC1 and 9.2-RC2 does not properly pad transmissions, which allows local users to obtain sensitive information (kernel memory) via a length greater than the length of the file.","status":"published","published":"2013-09-23T20:00:00Z","modified":"2024-09-16T20:22:52.107Z","updated_at":"2026-11-02T14:34:55.508771Z"}],"euvd":[{"id":"EUVD-2013-5505","description":"The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2-RC1 and 9.2-RC2 does not properly pad transmissions, which allows local users to obtain sensitive information (kernel memory) via a length greater than the length of the file.","status":"published","published":"2013-09-23T20:00:00Z","modified":"2024-09-16T20:22:52Z","updated_at":"2026-11-03T00:55:14.527578Z"}],"ghsa":[{"id":"GHSA-v8wr-59hv-fh6h","title":"The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2...","description":"The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2-RC1 and 9.2-RC2 does not properly pad transmissions, which allows local users to obtain sensitive information (kernel memory) via a length greater than the length of the file.","status":"published","published":"2022-05-17T05:04:06Z","modified":"2023-01-28T05:03:10Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:43:55.582977Z"}],"nvd":[{"id":"CVE-2013-5666","description":"The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2-RC1 and 9.2-RC2 does not properly pad transmissions, which allows local users to obtain sensitive information (kernel memory) via a length greater than the length of the file.","status":"published","published":"2013-09-23T20:55:07.387Z","modified":"2026-06-16T23:59:13.08Z","cvss":[{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:C/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:02:38.715467Z"}]}}