Packetbeat Buffer Overflow via Malformed UDP Packet (CWE-787)
CVE-2025-68381 Published on December 18, 2025
Packetbeat Improper Bounds Check
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.
Vulnerability Analysis
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2025-68381 has been classified to as a Memory Corruption vulnerability or weakness.
Affected Versions
Elastic Packetbeat:- Version 7.0.0, <= 7.17.29 is affected.
- Version 8.0.0, <= 8.19.8 is affected.
- Version 9.0.0, <= 9.1.8 is affected.
- Version 9.2.0, <= 9.2.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.