UBUNTU-CVE-2019-9894

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Source
https://ubuntu.com/security/CVE-2019-9894
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-9894.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-9894
Upstream
Published
2019-03-21T16:01:00Z
Modified
2025-09-08T16:45:21Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.

References

Affected packages

Ubuntu:16.04:LTS / putty

Package

Name
putty
Purl
pkg:deb/ubuntu/putty@0.67-3+deb9u1build0.16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.67-3+deb9u1build0.16.04.1

Affected versions

0.*

0.65-2
0.66-1
0.66-2
0.66-3
0.66-4
0.67-1
0.67-2
0.67-3build0.16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.67-3+deb9u1build0.16.04.1",
            "binary_name": "pterm"
        },
        {
            "binary_version": "0.67-3+deb9u1build0.16.04.1",
            "binary_name": "putty"
        },
        {
            "binary_version": "0.67-3+deb9u1build0.16.04.1",
            "binary_name": "putty-tools"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:Pro:18.04:LTS / putty

Package

Name
putty
Purl
pkg:deb/ubuntu/putty@0.70-4?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.70-1
0.70-2
0.70-3
0.70-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.70-4",
            "binary_name": "pterm"
        },
        {
            "binary_version": "0.70-4",
            "binary_name": "putty"
        },
        {
            "binary_version": "0.70-4",
            "binary_name": "putty-tools"
        }
    ]
}