CVE-2024-12704

Summary

CVE-2024-12704 is a newly disclosed vulnerability affecting the LangChainLLM class in the run-llama/llama_index repository, version v0.12.5. This issue allows an attacker to initiate a Denial of Service (DoS) attack by manipulating the input type in the stream_complete method. If the thread executing the llm function terminates abnormally before _llm.predict is executed, the get_response_gen function enters an infinite loop, consuming system resources and causing the process to continue indefinitely. This vulnerability can be exploited to cause a denial of service condition and should be patched as soon as possible.

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