AIKIDO-2026-854310
karafka-rdkafka is vulnerable to Heap-based Buffer Overflow
84
High Risk
This Affects:
karafka-rdkafkaTL;DR
The package's native admin result parsing used an incorrect out-parameter size (:int32 instead of librdkafka's size_t), which can write past allocated memory and cause heap overflow/undefined behavior on every admin operation result parse. The update fixes this sizing mismatch, and also corrects native lifetime/cleanup for admin background events and related handle/error paths to prevent deadlocks and native memory leaks/double-frees.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
karafka-rdkafka is vulnerable to Heap-based Buffer Overflow in versions 0.0.0 - 0.27.2.
How to fix this
Upgrade the karafka-rdkafka library to the patch version.
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