CVE-2025-68381

Name: CVE-2025-68381
Creator: NVD / NIST
Published: 2025-12-18T22:16:02.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2025-68381 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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 with an invalid fragment sequence number.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

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 with an invalid fragment sequence number.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.39%

30.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Elasticsearch	Packetbeat	>= 7.0.0, <= 7.17.29
Elasticsearch	Packetbeat	>= 8.0.0, < 8.19.9
Elasticsearch	Packetbeat	>= 9.0.0, < 9.1.9
Elasticsearch	Packetbeat	>= 9.2.0, < 9.2.3

References

https://discuss.elastic.co/t/packetbeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-30/384178Vendor Advisory

Timeline

Published: Dec 18, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-68381?

How severe is CVE-2025-68381?

CVE-2025-68381 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2025-68381?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-68381?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST