Resource Exhaustion Vulnerability in Packetbeat by Elastic
CVE-2025-68388

7.5HIGH

Key Information:

Vendor

Elastic

Vendor
CVE Published:
18 December 2025

What is CVE-2025-68388?

The vulnerability in Packetbeat arises from the improper allocation of resources which lacks limits or throttling. This weakness allows unauthenticated remote attackers to exploit the system by sending specially crafted IPv4 fragments, potentially causing excessive memory and CPU usage. The result is a denial-of-service condition that can disrupt normal operations and affect network monitoring capabilities, making this issue critical for users relying on Packetbeat for performance and security.

Affected Version(s)

Packetbeat 7.0.0 <= 7.17.29

Packetbeat 8.0.0 <= 8.19.8

Packetbeat 9.0.0 <= 9.1.8

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-68388 : Resource Exhaustion Vulnerability in Packetbeat by Elastic