CVE-2018-16864

Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 11 Jan 2019, 20:00
Last modified:09 Jun 2025, 15:52

Vulnerability Summary

Overall Risk (default)
medium
41/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.15% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

11 Jan 2019, 20:00
Published
Vulnerability first disclosed
09 Jun 2025, 15:52
Last Modified
Vulnerability information updated

Description

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when a program with long command line arguments calls syslog. A local attacker may use this flaw to crash systemd-journald or escalate his privileges. Versions through v240 are vulnerable.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v3.0•HIGH•Score: 7.4CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.15%• Percentile: 35%

Techniques & Countermeasures

  • CWE-770•Allocation of Resources Without Limits or Throttling

    The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04 | 18.10

  • debian•debian_linux

    8.0 | 9.0

  • oracle•communications_session_border_controller

    8.0.0 | 8.1.0 | 8.2.0

  • oracle•enterprise_communications_broker

    3.0.0 | 3.1.0

  • redhat•enterprise_linux_desktop

    7.0

  • redhat•enterprise_linux_server

    7.0 | 7.4 | 7.5 | 7.6

  • redhat•enterprise_linux_server_aus

    7.3 | 7.6

  • redhat•enterprise_linux_server_eus

    7.4 | 7.6

  • redhat•enterprise_linux_server_tus

    7.3 | 7.6

  • redhat•enterprise_linux_workstation

    7.0

  • systemd_project•systemd

    ≤ 240

  • the systemd project•systemd

    ≤ v240

References (17)