{"id":"CVE-2026-118375","revision":"5e24a8e1e23d44979de45d0eb479caf2","records":[{"revision":"5e24a8e1e23d44979de45d0eb479caf2","observedAt":"2026-10-28T03:51:21.076+00:00","statement":{"source":"cve-program","id":"CVE-2026-118375","aliases":[],"title":"llama.cpp b8841 before b11865 Stack-based Buffer Overflow via ggml-rpc RDMA rdma_recv()","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.","state":0,"publishedAt":"2026-10-28T02:03:22.895+00:00","modifiedAt":"2026-10-28T02:03:22.895+00:00","affected":[{"ecosystem":"Vendor product","name":"llama.cpp","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"ggml-org\",\n                    \"product\": \"llama.cpp\",\n                    \"repo\": \"https://github.com/ggml-org/llama.cpp\",\n                    \"packageURL\": \"pkg:github/ggml-org/llama.cpp\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"b8841\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"b11865\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.2,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1,"severity":"HIGH"}],"references":["https://github.com/ggml-org/llama.cpp/pull/30399","https://github.com/ggml-org/llama.cpp/commit/9a0fde9967fa1a35b6e5dd1f47e1a3648b6fecc1","https://github.com/ggml-org/llama.cpp/blob/620d2225cc436ab0b001e3200e590e3b286ef9ab/ggml/src/ggml-rpc/transport.cpp#L510-L528","https://github.com/ggml-org/llama.cpp/releases/tag/b11865","https://github.com/ggml-org/llama.cpp","https://www.vulncheck.com/advisories/llama-cpp-b8841-before-b11865-stack-based-buffer-overflow-via-ggml-rpc-rdma-rdma-recv"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118375","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-118375","identifiers":["CVE-2026-118375"]},"retained":false,"historicalAffected":[]}],"coverage":[]}