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CVE-2018-16865

Published: 11 January 2019

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.

Priority

High

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
systemd
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Not vulnerable
(code not built)
xenial
Released (229-4ubuntu21.15)
bionic
Released (237-3ubuntu10.11)
cosmic
Released (239-7ubuntu10.6)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H