https://seclists.org/oss-sec/2025/q4/225: 5 CVE's fixed in Fluent Bit
Published Dec 2, 2025
·Updated
Affected Software
1 affected component
Fluent Fluent Bit<4.0.13, >=4.0.14<=4.1.1, >=4.2
Frequently Asked Questions
1
What is the severity of CVE-2025-XXXXX in Fluent Bit?
CVE-2025-XXXXX carries a critical severity rating due to potential remote code execution vulnerabilities.
2
How do I fix CVE-2025-YYYYY in Fluent Bit?
To fix CVE-2025-YYYYY, upgrade to Fluent Bit version 4.2, 4.1.1, or 4.0.14 as specified in the security release.
3
What types of vulnerabilities are addressed in Fluent Bit CVEs?
The CVEs address security issues such as buffer overflows and improper input validations impacting the Fluent Bit logging software.
4
Are older versions of Fluent Bit vulnerable to CVE-2025-ZZZZZ?
Yes, older versions prior to the patched releases are vulnerable to CVE-2025-ZZZZZ.
5
Is there a specific release date for the patches addressing CVE-2025-AAAAA in Fluent Bit?
The patches for CVE-2025-AAAAA were released on December 1, 2025.