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

December 19, 2025 (updated December 20, 2025)

Allocation of resources without limits or throttling (CWE-770) allows an unauthenticated remote attacker to cause excessive allocation (CAPEC-130) of memory and CPU via the integration of malicious IPv4 fragments, leading to denial-of-service in Packetbeat.

References

discuss.elastic.co/t/packetbeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-29/384177
github.com/advisories/GHSA-fj69-23m4-ccvv
github.com/elastic/beats
github.com/elastic/beats/commit/28cfc80d2f4e80bfd1c72eb3f849d777751ab870
nvd.nist.gov/vuln/detail/CVE-2025-68388

Code Behaviors & Features

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