What is CVE-2025-68381?

CVE-2025-68381 is a medium-severity vulnerability in Elastic Packetbeat, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2025-12-18.

How severe is CVE-2025-68381?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Elastic Packetbeat

CVE-2025-68381

Improper Bounds Check (CWE-787) in Packetbeat can allow a remote unauthenticated attacker to exploit a Buffer Overflow (CAPEC-100) and reliably crash the application or cause significant resource exhaustion via a single crafted UDP packet…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (20.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Elastic Packetbeat — versions 7.0.0, 8.0.0, 9.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

discuss.elastic.co/t/packetbeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025…

Frequently asked questions

What is CVE-2025-68381?: CVE-2025-68381 is a medium-severity vulnerability in Elastic Packetbeat, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2025-12-18.
How severe is CVE-2025-68381?: Medium severity. CVSS v3 base score is 6.5 out of 10.