CVE-2018-16864

HIGH
7.8
CVSS Score
Published: January 11, 2019 at 08:00 PM UTC
Updated: June 17, 2026 at 01:44 AM UTC
12 products affected across 6 vendorsDebian LinuxUbuntu LinuxEnterprise Linux Desktop

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Severity
HIGH7.8
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

References (17)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/106523
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHBA-2019:0327
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:0049
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:0204
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:0271
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:0342
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:0361

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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