Filebeat Improper Validation of Specified Index, Position, or Offset in Input
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-120 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Elastic | Filebeat | 7.0.0 – 7.17.29; 8.0.0 – 8.19.8; 9.0.0 – 9.1.8; 9.2.0 – 9.2.2 | — | No fix listed | CNA |
| — | github.com/elastic/beats/v7 (Go) | 7.7.0 to before 8.19.9 | 8.19.9 | Patch available | GHSA-2mj3-6grc-px38 |
| — | github.com/elastic/beats/v7 (Go) | 9.0.0 to before 9.1.9 | 9.1.9 | Patch available | GHSA-2mj3-6grc-px38 |
| — | github.com/elastic/beats/v7 (Go) | 9.2.0 to before 9.2.3 | 9.2.3 | Patch available | GHSA-2mj3-6grc-px38 |
| — | github.com/elastic/beats/v7 (Go) | before 7.0.0-alpha2.0.20251204214633-dd3af18220bf | 7.0.0-alpha2.0.20251204214633-dd3af18220bf | Patch available | GHSA-2mj3-6grc-px38 |
| — | github.com/elastic/beats (Go) | up to 7.6.2 | — | No fix listed | GHSA-2mj3-6grc-px38 |
- Filebeat VendorElastic Affected 7.0.0 – 7.17.29; 8.0.0 – 8.19.8; 9.0.0 – 9.1.8; 9.2.0 – 9.2.2 Fixed in — No fix listed CNA
- github.com/elastic/beats/v7 (Go) Vendor— Affected 7.7.0 to before 8.19.9 Fixed in 8.19.9 Patch available GHSA-2mj3-6grc-px38
- github.com/elastic/beats/v7 (Go) Vendor— Affected 9.0.0 to before 9.1.9 Fixed in 9.1.9 Patch available GHSA-2mj3-6grc-px38
- github.com/elastic/beats/v7 (Go) Vendor— Affected 9.2.0 to before 9.2.3 Fixed in 9.2.3 Patch available GHSA-2mj3-6grc-px38
- github.com/elastic/beats/v7 (Go) Vendor— Affected before 7.0.0-alpha2.0.20251204214633-dd3af18220bf Fixed in 7.0.0-alpha2.0.20251204214633-dd3af18220bf Patch available GHSA-2mj3-6grc-px38
- github.com/elastic/beats (Go) Vendor— Affected up to 7.6.2 Fixed in — No fix listed GHSA-2mj3-6grc-px38
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:* | 7.0.0 – 7.17.29; 8.0.0 to before 8.19.9; 9.0.0 to before 9.1.9; 9.2.0 to before 9.2.3 | Vulnerable | Elastic |
- cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:* Versions 7.0.0 – 7.17.29; 8.0.0 to before 8.19.9; 9.0.0 to before 9.1.9; 9.2.0 to before 9.2.3 Vulnerable ·Elastic
Remediation
- Fix · GHSA-2mj3-6grc-px38 github.com/elastic/beats/v7 (Go) Fixed in 8.19.9 Advisory →
- Fix · GHSA-2mj3-6grc-px38 github.com/elastic/beats/v7 (Go) Fixed in 9.1.9 Advisory →
- Fix · GHSA-2mj3-6grc-px38 github.com/elastic/beats/v7 (Go) Fixed in 9.2.3 Advisory →
- Fix · GHSA-2mj3-6grc-px38 github.com/elastic/beats/v7 (Go) Fixed in 7.0.0-alpha2.0.20251204214633-dd3af18220bf Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-68383
- 2026-10-03 Alias added: GHSA-2mj3-6grc-px38
References
Advisory 2
More Elastic Filebeat vulnerabilities
- TI-2026-54638 Allocation of Resources Without Limits or Throttling in Filebeat Leading to Denial of Service CVSS 3.1MEDIUM 6.5
- TI-2023-15031 Information disclosure in Elastic Filebeat CVSS 3.1MEDIUM 5.5
Sources
- CVE-2025-68383 · CVE Program
- CVE-2025-68383 · NVD
- FIRST EPSS
- GHSA-2mj3-6grc-px38 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences