USN-5108-1

Source
https://ubuntu.com/security/notices/USN-5108-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5108-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5108-1
Upstream
Related
Published
2021-10-08T13:44:28Z
Modified
2026-04-22T10:33:02Z
Summary
libntlm vulnerability
Details

It was discovered that Libntlm incorrectly handled specially crafted NTML requests. An attacker could possibly use this issue to cause a denial of service or another unspecified impact.

References

Affected packages

Ubuntu:18.04:LTS / libntlm

Package

Name
libntlm
Purl
pkg:deb/ubuntu/libntlm@1.4-8ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.4-8ubuntu0.1

Affected versions

1.*
1.4-8

Ecosystem specific

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libntlm0",
            "binary_version":  "1.4-8ubuntu0.1"
        }
    ]
}

Database specific

cves_map
{
    "cves":  [
        {
            "id":  "CVE-2019-17455",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:18.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5108-1.json"

Ubuntu:20.04:LTS / libntlm

Package

Name
libntlm
Purl
pkg:deb/ubuntu/libntlm@1.5-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.5-2ubuntu0.1

Affected versions

1.*
1.5-2

Ecosystem specific

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libntlm0",
            "binary_version":  "1.5-2ubuntu0.1"
        }
    ]
}

Database specific

cves_map
{
    "cves":  [
        {
            "id":  "CVE-2019-17455",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:20.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5108-1.json"