High severity7.5NVD Advisory· Published Oct 29, 2026
CVE-2026-119052
CVE-2026-119052
Description
llama.cpp b2877 before b11935 contains an uncaught exception vulnerability in the ggml-rpc server that allows unauthenticated remote attackers to crash the rpc-server by sending oversized message lengths. After the HELLO handshake, attackers can send a command such as SET_TENSOR with a length above std::vector::max_size(), triggering an uncaught std::length_error that aborts the process and denies service to all clients.
Patches
Vulnerability mechanics
References
5- github.com/ggml-org/llama.cpp/blob/8542e94350f0ade01644db6f1d1520da3814dafd/ggml/src/ggml-rpc/ggml-rpc.cppnvd
- github.com/ggml-org/llama.cpp/commit/7ecb57f7adbea2928aa468ad2aecf05b10725ad4nvd
- github.com/ggml-org/llama.cpp/pull/31204nvd
- github.com/ggml-org/llama.cpp/releases/tag/b11935nvd
- www.vulncheck.com/advisories/llama-cpp-b2877-before-b11935-ggml-rpc-server-dos-via-oversized-recv-msg-lengthnvd
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