Vulnerability · Published Dec 18, 2025 · Assigned by elastic

CVE-2025-68381Packetbeat Improper Bounds Check

Medium 6.5

In plain English

A medium-severity out-of-bounds write in Packetbeat from Elastic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 60.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Elastic Packetbeat 7.0.0 – through 7.17.298.0.0 – through 8.19.89.0.0 – through 9.1.89.2.0 – through 9.2.2

Weakness: CWE-787 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References