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The fetch_url function in usr.bin/ftp/fetch.c in tnftp, as used in NetBSD 5.1 through 5.1.4, 5.2 through 5.2.2, 6.0 through 6.0.6, and 6.1 through 6.1.5 allows remote attackers to execute arbitrary commands via a | (pipe) character at the end of an HTTP redirect.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Afpserver | — | Apply Apple macOS Security Update 2015-001 | Aug 28, 2015 | Nov 17, 2014 |
| Apple Osx Lukemftp | — | Upgrade macOS to the latest versionApply Apple macOS Security Update 2015-001 | Mar 29, 2016 | Nov 17, 2014 |
| Debian | — | Upgrade tnftp | Jul 30, 2024 | Nov 17, 2014 |
| Freebsd | — | Upgrade FreeBSD | Dec 10, 2025 | Aug 11, 2016 |
| Gentoo Linux | — | Upgrade net-ftp/tnftp. | Oct 30, 2017 | Nov 17, 2014 |
| Suse | — | Upgrade tnftp | Dec 18, 2015 | Nov 10, 2014 |
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