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.
References
History

Wed, 26 Nov 2025 11:15:00 +0000

Type Values Removed Values Added
First Time appeared Fluentbit
Fluentbit fluent Bit
Vendors & Products Fluentbit
Fluentbit fluent Bit

Mon, 24 Nov 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 24 Nov 2025 14:45:00 +0000

Type Values Removed Values Added
Description 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.
Title CVE-2025-12970
References

cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2025-11-24T14:39:52.569Z

Updated: 2025-11-24T17:00:03.177Z

Reserved: 2025-11-10T17:54:00.525Z

Link: CVE-2025-12970

cve-icon Vulnrichment

Updated: 2025-11-24T16:59:52.768Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-24T15:15:46.507

Modified: 2025-11-25T22:16:16.690

Link: CVE-2025-12970

cve-icon Redhat

No data.