6.5

CVE-2025-68381: elastic packetbeat Out-of-bounds Write

CVSS: 6.5v3.1MediumAnalyzed
Published 18-12-2025Last modified 18-12-2025
Open JSON

Vulnerability summary

CVE-2025-68381 is a medium (CVSS 6.5) Out-of-bounds Write vulnerability in elastic packetbeat. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.2% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-12-2025
    PublishedVulnerability first disclosed.
  2. 18-12-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

0.00 pp

From 0.46% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Elastic1 product
  • packetbeat≥ 7.0.0, ≤ 7.17.29 | ≥ 8.0.0, ≤ 8.19.8 | ≥ 9.0.0, ≤ 9.1.8 | ≥ 9.2.0, ≤ 9.2.2
Elasticsearch1 product
  • packetbeat≥ 7.0.0, ≤ 7.17.29 | ≥ 8.0.0, < 8.19.9 | ≥ 9.0.0, < 9.1.9 | ≥ 9.2.0, < 9.2.3

2 vendors · 2 products

References

1 links