CVE-2013-5666
The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-5666- CVSS 2.0
- 4.7 Medium
AV:L/AC:M/Au:N/C:C/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-5666- Updated
- 2026-11-02
EUVDEUVD-2013-5505 No score
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.
- Record
EUVD-2013-5505- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v8wr-59hv-fh6h No score
The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2...
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.
- Record
GHSA-v8wr-59hv-fh6h- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-5666 is a medium vulnerability (CVSS 4.7) in Freebsd, published September 23, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.