vulnerability
FreeBSD: VID-79dfc135-600a-11e6-a6c3-14dae9d210b8 (CVE-2016-1882): FreeBSD -- TCP MD5 signature denial of service
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Aug 11, 2016 | Dec 10, 2025 | Dec 10, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Aug 11, 2016
Added
Dec 10, 2025
Modified
Dec 10, 2025
Description
Problem Description: A programming error in processing a TCP connection with both TCP_MD5SIG and TCP_NOOPT socket options may lead to kernel crash. Impact: A local attacker can crash the kernel, resulting in a denial-of-service. A remote attack is theoretically possible, if server has a listening socket with TCP_NOOPT set, and server is either out of SYN cache entries, or SYN cache is disabled by configuration.
Solutions
freebsd-upgrade-base-10_2-release-p9freebsd-upgrade-base-10_1-release-p26freebsd-upgrade-base-9_3-release-p33
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