CVE-2018-16866

Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 11 Jan 2019, 19:00
Last modified:09 Jun 2025, 15:41

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
4.3 MEDIUM
v3.0 (cve.org)
EPSS Score
0.06% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

11 Jan 2019, 19:00
Published
Vulnerability first disclosed
09 Jun 2025, 15:41
Last Modified
Vulnerability information updated

Description

An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.

CVSS Metrics

  • v3.1•LOW•Score: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • v3.0•MEDIUM•Score: 4.3CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.06%• Percentile: 19%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

  • CWE-200•Exposure of Sensitive Information to an Unauthorized Actor

    The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04 | 18.10

  • debian•debian_linux

    9.0

  • netapp•active_iq_performance_analytics_services

    na

  • redhat•enterprise_linux

    7.6

  • redhat•enterprise_linux_compute_node_eus

    7.6

  • redhat•enterprise_linux_desktop

    7.0

  • redhat•enterprise_linux_for_ibm_z_systems_eus

    7.6

  • redhat•enterprise_linux_for_ibm_z_systems_\(structure_a\)

    7_s390x

  • redhat•enterprise_linux_for_power_big_endian

    7.0

  • redhat•enterprise_linux_for_power_big_endian_eus

    7.6

  • redhat•enterprise_linux_for_power_little_endian

    7.0

  • redhat•enterprise_linux_for_power_little_endian_eus

    7.6

  • redhat•enterprise_linux_for_scientific_computing

    7.0

  • redhat•enterprise_linux_server

    7.0

  • redhat•enterprise_linux_server_aus

    7.4 | 7.6

  • redhat•enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions

    7.4 | 7.6

  • redhat•enterprise_linux_server_tus

    7.4 | 7.6

  • redhat•enterprise_linux_server_update_services_for_sap_solutions

    7.4 | 7.6

  • redhat•enterprise_linux_workstation

    7.0

  • systemd_project•systemd

    ≥ 221, ≤ 239

  • the systemd project•systemd

    from v221 to v239

References (14)