Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-68383

20
FAUCET Score

CVE-2025-68383 describes an Improper Validation of Specified Index, Position, or Offset vulnerability (CWE-1285) affecting Elastic Filebeat, specifically its Syslog parser and Libbeat Dissect processor. This flaw allows an unauthenticated attacker on the adjacent network to trigger a Buffer Overflow, leading to a denial of service (panic/crash) of the Filebeat process through a crafted Syslog message or malicious tokenizer pattern. Rated with a CVSS score of 6.5 (Medium), the attack requires low complexity and no user interaction, resulting in high availability impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.0.0, <= 7.17.29CPE match
cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*
>= 8.0.0, <= 8.19.8CPE match
cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*
>= 9.0.0, <= 9.1.8CPE match
cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*
>= 9.2.0, <= 9.2.2CPE match
cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*
>= 8.0.0, < 8.19.9CPE matchmatch criteria
cpe:2.3:a:elastic:filebeat:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 8th percentile among its peer group of 1,802 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

gopatch availablevia ghsa
Product: github.com/elastic/beats/v7Fixed in: 8.19.9
gopatch availablevia ghsa
Product: github.com/elastic/beats/v7Fixed in: 9.1.9
gopatch availablevia ghsa
Product: github.com/elastic/beats/v7Fixed in: 9.2.3
gopatch availablevia ghsa
Product: github.com/elastic/beats/v7Fixed in: 7.0.0-alpha2.0.20251204214633-dd3af18220bf

Vendor Advisories (1)

goGHSA-2mj3-6grc-px38medium

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

Dec 19, 2025

References

discuss.elastic.co / t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180
Vendor Advisory