Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade putty | Aug 30, 2017 | Apr 7, 2016 |
| Debian | — | Upgrade putty | Jul 30, 2024 | Apr 7, 2016 |
| Freebsd | — | Upgrade putty | Dec 10, 2025 | Mar 7, 2016 |
| Gentoo Linux | — | Upgrade net-misc/putty. | Oct 30, 2017 | Apr 7, 2016 |
| Suse | — | Upgrade putty-debugsourceUpgrade puttyUpgrade putty-debuginfo | Jun 1, 2016 | Apr 7, 2016 |
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