Filebeat Improper Validation of Specified Index, Position, or Offset in Input (Elastic Filebeat)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.19 % · percentile 9 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- elastic
- NVD status
- Analyzed
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.
Weaknesses (CWE)
- CWE-1284 — Improper Validation of Specified Quantity in Input
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | elastic |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · security@elastic.co (Secondary) |
Advisories
- GHSA-2mj3-6grc-px38 — Filebeat Beats has Buffer Overflow via Malformed Syslog Message or Malicious Tokenizer Pattern in Dissect Configuration
- GO-2025-4252 — Buffer Overflow via Malformed Syslog Message or Malicious Tokenizer Pattern in github.com/elastic/beats
European references
- ENISA EUVD · EUVD-2025-204418
- GCVE · GCVE-0-2025-68383
CERT-FR advisories
- CERTFR-2025-AVI-1123 — Multiples vulnérabilités dans les produits Elastic · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*≥ 7.0.0 ≤ 7.17.29cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*≥ 8.0.0 < 8.19.9cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*≥ 9.0.0 < 9.1.9cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*≥ 9.2.0 < 9.2.3
Affected products
| Product | Versions |
|---|---|
| Elastic · Filebeat | affected 7.0.0 ≤ 7.17.29 ; affected 8.0.0 ≤ 8.19.8 ; affected 9.0.0 ≤ 9.1.8 ; affected 9.2.0 ≤ 9.2.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |