GHSA-2mj3-6grc-px38
Filebeat Beats has Buffer Overflow via Malformed Syslog Message or Malicious Tokenizer Pattern in Dissect Configuration
Quick fix
GHSA-2mj3-6grc-px38 — github.com/elastic/beats/v7: upgrade to the fixed version with the command below.
go get github.com/elastic/beats/v7@v8.19.9Details
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
7.7.0Fixed in: 8.19.9go get github.com/elastic/beats/v7@v8.19.99.0.0Fixed in: 9.1.9go get github.com/elastic/beats/v7@v9.1.99.2.0Fixed in: 9.2.3go get github.com/elastic/beats/v7@v9.2.30Fixed in: 7.0.0-alpha2.0.20251204214633-dd3af18220bfgo get github.com/elastic/beats/v7@v7.0.0-alpha2.0.20251204214633-dd3af18220bf0No fixed version published yet for github.com/elastic/beats (go modules). Pin to a known-safe version or switch to an alternative.
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-68383[ADVISORY]
- https://github.com/elastic/beats/commit/27a168fb1c598d4a16748e9a7382bc0d197335a5[WEB]
- https://github.com/elastic/beats/commit/2f971a057eea68e057b47829950cd8c26805df30[WEB]
- https://github.com/elastic/beats/commit/339fa3f887a14c91e0c955b50a3b8819393bd632[WEB]
- https://discuss.elastic.co/t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180[WEB]
- https://github.com/elastic/elasticsearch[PACKAGE]