GHSA-2mj3-6grc-px38

Filebeat Beats has Buffer Overflow via Malformed Syslog Message or Malicious Tokenizer Pattern in Dissect Configuration

At a glance

Published
Updated
CVE
CVE-2025-68383
Aliases
GO-2025-4252
CVSS_V3
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Affected packages

PackageVersions
Go · github.com/elastic/beats/v7introduced 7.7.0, fixed 8.19.9
Go · github.com/elastic/beats/v7introduced 9.0.0, fixed 9.1.9
Go · github.com/elastic/beats/v7introduced 9.2.0, fixed 9.2.3
Go · github.com/elastic/beats/v7introduced 0, fixed 7.0.0-alpha2.0.20251204214633-dd3af18220bf
Go · github.com/elastic/beatsintroduced 0, last affected 7.6.2

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database