USN-4221-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-4221-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4221-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4221-1
Upstream
Related
Published
2019-12-11T00:17:36Z
Modified
2026-06-29T13:46:57Z
Summary
libpcap vulnerability
Details

It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of service (memory exhaustion).

References

Affected packages

Ubuntu:Pro:14.04:LTS / libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=trusty%2Fesm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.5.3-2ubuntu0.1

Affected versions

1.*
1.4.0-2
1.5.1-1
1.5.2-1
1.5.3-1
1.5.3-2

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8",
            "binary_version":  "1.5.3-2ubuntu0.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2019-15165",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:14.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4221-1.json"

Ubuntu:16.04:LTS / libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.7.4-2ubuntu0.1

Affected versions

1.*
1.7.4-1
1.7.4-2

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8",
            "binary_version":  "1.7.4-2ubuntu0.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2019-15165",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4221-1.json"

Ubuntu:18.04:LTS / libpcap

Package

Name
libpcap
Purl
pkg:deb/ubuntu/libpcap?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.8.1-6ubuntu1.18.04.1

Affected versions

1.*
1.8.1-5ubuntu1
1.8.1-6ubuntu1

Ecosystem specific 

{
    "availability":  "No subscription required",
    "binaries":  [
        {
            "binary_name":  "libpcap0.8",
            "binary_version":  "1.8.1-6ubuntu1.18.04.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves":  [
        {
            "id":  "CVE-2019-15165",
            "severity":  [
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                    "type":  "CVSS_V3"
                },
                {
                    "score":  "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                    "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-4221-1.json"