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CVE-2025-68383

Filebeat Improper Validation of Specified Index, Position, or Offset in Input

Published: Dec 18, 2025Updated: Dec 23, 2025 Sources: CVE List NVD GHSA BDUCWE-1284
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.2%
Top 93.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-1284

Affected Products

filebeatelasticDatabases
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
filebeatElastic NV
Mixed
Enterprise Software / itsm-monitoring
FilebeatElasticDatabases
github.com/elastic/beats/v7GoOSS Libraries
elasticcommercialUSDatabasesaka elasticsearch co., elastic.co
ооо «ред софт»commercialRUOperating Systemsaka red soft
elastic nvcommercialUSEnterprise Softwareaka elastic
gopackage-ecosystemOSS Libraries
and 1 more affected products View all →

Exploitability

Official Patch Available

References

https://discuss.elastic.co/t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180
discuss.elastic.co
https://discuss.elastic.co/t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180
discuss.elastic.co
https://github.com/elastic/beats/commit/27a168fb1c598d4a16748e9a7382bc0d197335a5
github.com
and 9 more references View all →

Timeline

Published
Dec 18, 2025
Last Updated
Dec 23, 2025

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