CVE-2025-68388: Elasticsearch Packetbeat has Excessive Allocation of Memory and CPU via Malicious IPv4 Fragments

CVE-2025-68388 · Severity: low · CVSS 3.1 · Published 2026-01-23

Elasticsearch Packetbeat has Excessive Allocation of Memory and CPU via Malicious IPv4 Fragments in github.com/elastic/beats

Technologies: github.com/elastic/beats (Go), github.com/elastic/beats/v7 (Go). Vendors: Go.

Quick answers

Is CVE-2025-68388 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-68388 being exploited in the wild.
How severe is CVE-2025-68388?
Low severity, with a CVSS score of 3.1, published 23 January 2026.
Which products and versions are affected?
github.com/elastic/beats (Go) SEMVER:introduced=0, SEMVER:introduced=8.6.0,fixed=8.19.9; github.com/elastic/beats/v7 (Go) SEMVER:introduced=0,fixed=7.0.0-alpha2.0.20251209162832-28cfc80d2f4e.
Is there a fix for CVE-2025-68388?
Yes. github.com/elastic/beats (Go): upgrade to 8.19.9 or later; github.com/elastic/beats/v7 (Go): upgrade to 7.0.0-alpha2.0.20251209162832-28cfc80d2f4e or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-68388?
Check whether you run github.com/elastic/beats (Go) or github.com/elastic/beats/v7 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/elastic/beats (Go): upgrade to 8.19.9 or later
    go get github.com/elastic/beats@v8.19.9
  • github.com/elastic/beats/v7 (Go): upgrade to 7.0.0-alpha2.0.20251209162832-28cfc80d2f4e or later
    go get github.com/elastic/beats/v7@v7.0.0-alpha2.0.20251209162832-28cfc80d2f4e

Affected products

  • github.com/elastic/beats (Go) SEMVER:introduced=0, SEMVER:introduced=8.6.0,fixed=8.19.9
  • github.com/elastic/beats/v7 (Go) SEMVER:introduced=0,fixed=7.0.0-alpha2.0.20251209162832-28cfc80d2f4e

Identifiers

  • CVE-2025-68388
  • GHSA-fj69-23m4-ccvv
  • GO-2025-4253

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