CVE-2016-4971: Canonical Ubuntu Linux

High severity, CVSS 8.8. EPSS: 46.1% chance of exploitation in the next 30 days.

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

Affected products

  • Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only; version 16.04 only
  • GNU Wget: before 1.18 (fixed in 1.18)
  • Oracle Solaris: version 10 only; version 11.3 only
  • Palo Alto Networks PAN-OS: from 6.1.0, up to and including 6.1.16; from 7.0.0, up to and including 7.0.14; from 7.1.0, up to and including 7.1.9

Published 2016-06-30. Last modified 2026-06-17.