UBUNTU-CVE-2018-16881

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Source
https://ubuntu.com/security/CVE-2018-16881
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-16881.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-16881
Upstream
Downstream
Related
Published
2019-01-25T18:29:00Z
Modified
2025-07-18T16:44:46Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are vulnerable.

References

Affected packages

Ubuntu:Pro:14.04:LTS / rsyslog

Package

Name
rsyslog
Purl
pkg:deb/ubuntu/rsyslog@7.4.4-1ubuntu2.7?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

5.*

5.8.11-2ubuntu4

7.*

7.4.4-1ubuntu1
7.4.4-1ubuntu2
7.4.4-1ubuntu2.1
7.4.4-1ubuntu2.3
7.4.4-1ubuntu2.5
7.4.4-1ubuntu2.6
7.4.4-1ubuntu2.7

Ubuntu:Pro:16.04:LTS / rsyslog

Package

Name
rsyslog
Purl
pkg:deb/ubuntu/rsyslog@8.16.0-1ubuntu3.1+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.16.0-1ubuntu3.1+esm1

Affected versions

8.*

8.12.0-1ubuntu2
8.12.0-1ubuntu3
8.14.0-2ubuntu1
8.14.0-2ubuntu2
8.16.0-1ubuntu1
8.16.0-1ubuntu2
8.16.0-1ubuntu3
8.16.0-1ubuntu3.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-dbgsym"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-elasticsearch"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-elasticsearch-dbgsym"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-gnutls"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-gnutls-dbgsym"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-gssapi"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-gssapi-dbgsym"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-mysql"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-mysql-dbgsym"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-pgsql"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-pgsql-dbgsym"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-relp"
        },
        {
            "binary_version": "8.16.0-1ubuntu3.1+esm1",
            "binary_name": "rsyslog-relp-dbgsym"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}