CVE-2025-68383

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
elasticCNA
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
VendorProductVersion
elasticfilebeat
7.0.0 ≤
𝑥
≤ 7.17.29
elasticfilebeat
8.0.0 ≤
𝑥
< 8.19.9
elasticfilebeat
9.0.0 ≤
𝑥
< 9.1.9
elasticfilebeat
9.2.0 ≤
𝑥
< 9.2.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://discuss.elastic.co/t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180