CVE-2025-68381
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Elasticsearch Packetbeat
PublishedDec 18, 2025
First seenDec 18, 2025
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- elasticsearch packetbeat8.19.9, 9.1.9, 9.2.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elasticsearch packetbeat | 7.0.0 ≤ v ≤ 7.17.29, 8.0.0 ≤ v < 8.19.9, 9.0.0 ≤ v < 9.1.9, 9.2.0 ≤ v < 9.2.3 | 8.19.9, 9.1.9, 9.2.3 |
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