SB2022110284 - Remote code execution in Fluentd
Published: November 2, 2022 Updated: September 22, 2025
Security Bulletin ID
SB2022110284
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Deserialization of Untrusted Data (CVE-ID: CVE-2022-39379)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data if the environment variable "FLUENT_OJ_OPTION_MODE" is explicitly set to "object". A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.