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Vulnerabilities

Vulnerability · 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 signi

Published Dec 18, 2025 · catalog updated Dec 18, 2025 · Elastic Packetbeat

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-68381. EPSS is 0.46%. Act only if a listed version of Elastic Packetbeat is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.46%
Remediation
Advisory link
Affected products
vendor Elastic Packetbeat 9.0.0 ≤9.1.8

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Elastic Packetbeat 9.0.0 ≤9.1.89.0.0 ≤9.1.8

How to fix CVE-2025-68381

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-68381. EPSS is 0.46%. Act only if a listed version of Elastic Packetbeat is installed.

Which versions are affected?

Compare what you have installed with Elastic Packetbeat 9.0.0 ≤9.1.8 9.0.0 ≤9.1.8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.46%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 18, 2025 · EUVD

    Detected

    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.

  2. Dec 18, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-68381

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-68381

    30-day exploitation probability 0.46%

    first.org
  • EUVDVulnerability recordEUVD-2025-204396

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgNov 2, 2026
  • EUVDNov 1, 2026