UBUNTU-CVE-2016-2563

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2016-2563
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2563.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-2563
Upstream
Withdrawn
2025-07-18T16:43:27Z
Published
2016-04-07T23:59:00Z
Modified
2025-07-16T08:19:04.320230Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:16.04:LTS / putty

Package

Name
putty
Purl
pkg:deb/ubuntu/putty@0.67-1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.67-1

Affected versions

0.*

0.65-2
0.66-1
0.66-2
0.66-3
0.66-4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.67-1",
            "binary_name": "pterm"
        },
        {
            "binary_version": "0.67-1",
            "binary_name": "pterm-dbgsym"
        },
        {
            "binary_version": "0.67-1",
            "binary_name": "putty"
        },
        {
            "binary_version": "0.67-1",
            "binary_name": "putty-dbgsym"
        },
        {
            "binary_version": "0.67-1",
            "binary_name": "putty-doc"
        },
        {
            "binary_version": "0.67-1",
            "binary_name": "putty-tools"
        },
        {
            "binary_version": "0.67-1",
            "binary_name": "putty-tools-dbgsym"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2563.json"