Race condition in wget 1.17 and earlier, when used in recursive or mirroring mode to download a single file, might allow remote servers to bypass intended access list restrictions by keeping an HTTP connection open.
http://lists.gnu.org/archive/html/bug-wget/2016-08/msg00083.html
http://lists.gnu.org/archive/html/bug-wget/2016-08/msg00134.html
http://lists.opensuse.org/opensuse-updates/2016-09/msg00044.html
http://lists.opensuse.org/opensuse-updates/2017-01/msg00007.html
http://www.openwall.com/lists/oss-security/2016/08/27/2
Source: MITRE
Published: 2016-09-26
Updated: 2017-09-03
Type: CWE-362
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 8.1
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.2
Severity: HIGH