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CVE-2025-12970 is a stack-based buffer overflow in Fluent Bit's in_docker input plugin. The vulnerable condition is in the extract_name function, which copies a Docker container name into a fixed-size stack buffer (reported as 256 bytes) without validating the input length. An attacker who can create containers or otherwise control container names can supply an excessively long name, causing a stack buffer overflow in the Fluent Bit agent process. The issue affects deployments that use the in_docker plugin and may be reachable in containerized and cloud environments where Fluent Bit collects Docker metadata or metrics from local containers.
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9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A stack-based buffer overflow in Fluent Bit’s in_docker plugin caused by copying an unbounded container name into a fixed-size buffer, enabling denial of service and potentially code execution when an attacker can influence container names.
A stack-based buffer overflow in Fluent Bit’s in_docker input plugin (extract_name) due to copying unvalidated container name lengths into a fixed-size stack buffer, potentially enabling a crash or arbitrary code execution.
A stack buffer overflow in Fluent Bit's Docker Metrics input plugin (in_docker) that can be triggered via excessively long container names, potentially causing code execution or a crash (DoS).
Stack-based buffer overflow in Fluent Bit in_docker (Docker metrics input) due to copying container names into a fixed 256-byte stack buffer without length checks; can lead to crash or code execution.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.