elastic/elasticsearch · Security
Filebeat Beats has Buffer Overflow via Malformed Syslog Message or Malicious Tokenizer Pattern in Dissect Configuration
- GHSA ID
- GHSA-2mj3-6grc-px38
- CVE ID
- CVE-2025-68383
- Severity
- medium
- Published
- Updated
- CVSS
- 6.5 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 6.5 · 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.
CWEs
- CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-1284 · Improper Validation of Specified Quantity in Input
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-68383 ↗
- https://discuss.elastic.co/t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180 ↗
- https://github.com/elastic/beats/commit/27a168fb1c598d4a16748e9a7382bc0d197335a5 ↗
- https://github.com/elastic/beats/commit/2f971a057eea68e057b47829950cd8c26805df30 ↗
- https://github.com/elastic/beats/commit/339fa3f887a14c91e0c955b50a3b8819393bd632 ↗
- https://github.com/advisories/GHSA-2mj3-6grc-px38 ↗