Vulnerability Report

CVE-2025-68383

Title: Elastic Filebeat Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2025-68383.

CWE Category CWE-1284

Published Date Dec 18, 2025

Modified Date Dec 23, 2025

Exploit Status Not Found

Score 6.5 CVSS v3.1

Exploit Probability (EPSS)

0.03%

Vulnerability Summary

CVE-2025-68383: Improper Validation of Specified Index, Position, or Offset in Input (CWE-1285) in Filebeat Syslog parser and the Libbeat Dissect processor can allow a user to trigger a Buffer Overflow (CAPEC-100) and cause a denial of service (panic/crash) of the Filebeat process via either a malformed Syslog message or a malicious tokenizer pattern in the Dissect configuration.

Impacted Vendors

elastic 1

Reference Links

https://discuss.elastic.co/t/filebeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-32/384180

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.5

Attack Vector

ADJACENT_NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-68383 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

December 23, 2025 MODIFIED

Vulnerability data or affected products updated.

December 23, 2025 MODIFIED

Vulnerability data updated via NVD.

December 18, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector ADJACENT_NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.