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.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | alpine-linux-upgrade-putty | Aug 30, 2017 | Apr 7, 2016 |
| Debian | debian-upgrade-putty | Jul 30, 2024 | Apr 7, 2016 | |
| Freebsd | freebsd-upgrade-package-putty | Dec 10, 2025 | Mar 7, 2016 | |
| Gentoo Linux | gentoo-linux-upgrade-net-misc-putty | Oct 30, 2017 | Apr 7, 2016 | |
| Suse | — | suse-upgrade-puttysuse-upgrade-putty-debuginfosuse-upgrade-putty-debugsource | Jun 1, 2016 | Apr 7, 2016 |
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