CVE-2025-12970: high-severity vulnerability in FluentBit Fluent Bit
CVE-2025-12970
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 1.1%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
FluentBit · Fluent BitRelated CVEs — FluentBit Fluent Bit
In the same product, most dangerous first.