CVE-2016-4971

high
Published 2016-06-30 · Modified 2026-05-06
CVSS v3
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2
4.3
VIR risk
8.8

Description

GNU wget before 1.18 allows remote servers to write to arbitrary files by redirecting a request from HTTP to a crafted FTP resource.

Predictions

Exploit likelihood
92%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-4971

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=1343666

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://lists.gnu.org/archive/html/info-gnu/2016-06/msg00004.html

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://git.savannah.gnu.org/cgit/wget.git/commit/?id=e996e322ffd42aaa051602da182d03178d0f13e1

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-4971.html

OS impact

OSVersionStatusFixed in
suse slesaffected
ubuntu ubuntu12.04affected
ubuntu ubuntu14.04affected
ubuntu ubuntu15.10affected
ubuntu ubuntu16.04affected
debian debianbookwormfixed1.18-1
debian debianbullseyefixed1.18-1
debian debianforkyfixed1.18-1
debian debiansidfixed1.18-1
debian debiantrixiefixed1.18-1

Application impact

VendorProductVersionsFixed
gnuwget{"endExcluding":"1.18"}1.18

References

Verify integrity in audit chain (admin only). AS-IS.