Is CVE-2025-68383 in the CISA KEV catalog?

No. CVE-2025-68383 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-68383?

CVE-2025-68383 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-68383?

CVE-2025-68383 has an EPSS score of 0.17% (6th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-68383?

Upgrade Beats filebeat to 9.2.3 or later.

CVE & CISA-KEV Catalog

CVE-2025-68383

MEDIUM

6.5

CVSS v3

NVD

Description

Improper Validation of Specified Index, Position, or Offset in Input (CWE-1285) in Filebeat Syslog parser and the Libbeat Dissect processor can allow a user to trigger a Buffer Overflow (CAPEC-100) and cause a denial of service (panic/crash) of the Filebeat process via either a malformed Syslog message or a malicious tokenizer pattern in the Dissect configuration.

CWE-1284

How to fix

Remediation Available

Beats filebeatWindows application

Affected:9.2.0 9.2.3Fixed in:9.2.3Elastic

Affected:8.0.0 8.19.9Fixed in:8.19.9Elastic

Affected:9.0.0 9.1.9Fixed in:9.1.9Elastic

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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.17%probability of exploitation in 30 days

6thpercentile

Low risk: more likely to be exploited than 6% of all known CVEs.

References

Vendor Advisory1

discuss.elastic.co

Related Vulnerabilities

Other CWE-1284 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-20699	Critical	10.0	72%	KEV	-
CVE-2021-43267	Critical	9.8	58%	-	Fix
CVE-2022-31629	Medium	6.5	49%	-	Fix
CVE-2025-9316	Unscored	-	37%	-	-
CVE-2022-36620	High	7.5	23%	-	-
CVE-2008-1440	High	7.1	23%	-	-

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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 2025-12-23.