High severity8.1NVD Advisory· Published Oct 28, 2026
CVE-2026-118375
CVE-2026-118375
Description
llama.cpp b8841 before b11865 contains an out-of-bounds write vulnerability in the ggml-rpc RDMA transport rdma_recv() function that allows unauthenticated peers to overflow the rpc-server stack. Attackers advertising RDMA capabilities in the HELLO message can send up to 256 KiB into a 1-byte stack variable in rpc_serve_client(), crashing the server or potentially executing code.
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Affected products
1Patches
Vulnerability mechanics
References
5- github.com/ggml-org/llama.cpp/blob/620d2225cc436ab0b001e3200e590e3b286ef9ab/ggml/src/ggml-rpc/transport.cppnvd
- github.com/ggml-org/llama.cpp/commit/9a0fde9967fa1a35b6e5dd1f47e1a3648b6fecc1nvd
- github.com/ggml-org/llama.cpp/pull/30399nvd
- github.com/ggml-org/llama.cpp/releases/tag/b11865nvd
- www.vulncheck.com/advisories/llama-cpp-b8841-before-b11865-stack-based-buffer-overflow-via-ggml-rpc-rdma-rdma-recvnvd
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