UBUNTU-CVE-2019-3860

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Source
https://ubuntu.com/security/CVE-2019-3860
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3860.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2019-3860
Upstream
Downstream
Related
Published
2019-03-25T19:29:00Z
Modified
2025-09-08T16:45:14Z
Severity
  • 5.0 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L CVSS Calculator
  • 9.1 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libssh2

Package

Name
libssh2
Purl
pkg:deb/ubuntu/libssh2@1.4.3-2ubuntu0.2+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4.3-2ubuntu0.2+esm2

Affected versions

1.*

1.4.3-1
1.4.3-2
1.4.3-2ubuntu0.1
1.4.3-2ubuntu0.2
1.4.3-2ubuntu0.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.4.3-2ubuntu0.2+esm2",
            "binary_name": "libssh2-1"
        },
        {
            "binary_version": "1.4.3-2ubuntu0.2+esm2",
            "binary_name": "libssh2-1-dev"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / libssh2

Package

Name
libssh2
Purl
pkg:deb/ubuntu/libssh2@1.5.0-2ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.0-2ubuntu0.1+esm1

Affected versions

1.*

1.5.0-2
1.5.0-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.5.0-2ubuntu0.1+esm1",
            "binary_name": "libssh2-1"
        },
        {
            "binary_version": "1.5.0-2ubuntu0.1+esm1",
            "binary_name": "libssh2-1-dev"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:Pro:18.04:LTS / libssh2

Package

Name
libssh2
Purl
pkg:deb/ubuntu/libssh2@1.8.0-1ubuntu0.1?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

1.*

1.8.0-1
1.8.0-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.8.0-1ubuntu0.1",
            "binary_name": "libssh2-1"
        },
        {
            "binary_version": "1.8.0-1ubuntu0.1",
            "binary_name": "libssh2-1-dev"
        }
    ]
}