CVE-2025-12970: The extract_name function in Fluent Bit in_docker input plugin copies container names into a fixed size stack buffer…
CVE-2025-12970 · Severity: high · CVSS 8.8 · Published 2025-11-24
The extract_name function in Fluent Bit in_docker input plugin copies container names into a fixed size stack buffer without validating length. An attacker who can create containers or control container names, can supply a long name that overflows the buffer, leading to process crash or arbitrary code execution.
No. Junglewise Threat Intelligence has no report of CVE-2025-12970 being exploited in the wild.
How severe is CVE-2025-12970?
High severity, with a CVSS score of 8.8, published 24 November 2025.
Which products and versions are affected?
Treasuredata Fluent Bit. The advisory does not name versions.
Is there a fix for CVE-2025-12970?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-12970?
Check whether you run Treasuredata Fluent Bit. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.