Is CVE-2018-16864 in the CISA KEV catalog?

No. CVE-2018-16864 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16864?

CVE-2018-16864 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-16864?

CVE-2018-16864 has an EPSS score of 0.72% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16864?

Upgrade systemd on debian 11 to 240-4 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2018-16864

HIGH

7.8

CVSS v3

NVD

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.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

systemdDebian

Fixed in:240-4CVE-2018-16864

systemdUbuntu

Fixed in:229-4ubuntu21.15USN-3855-1

Fixed in:237-3ubuntu10.11USN-3855-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.72%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch2

Exploit1

qualys.com

Third-Party Advisory13

Mailing List1

openwall.com

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.