Unrated severityNVD Advisory· Published Nov 24, 2025· Updated Jan 7, 2026

CVE-2025-12970

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Fluent Bit/Fluent Bitllm-fuzzy
osv-coords
pkg:bitnami/fluent-bit
Range: >= 4.1.0, < 4.1.1
FluentBit/Fluent Bitv5
Range: 0

Patches

Vulnerability mechanics

References

fluentbit.io/blog/2025/10/28/security-vulnerabilities-addressed-in-fluent-bit-v4.1-and-backported-to-v4.0/mitre
www.oligo.security/blog/critical-vulnerabilities-in-fluent-bit-expose-cloud-environments-to-remote-takeovermitre

News mentions

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