{"id":"CVE-2026-118375","aliases":[],"title":"llama.cpp b8841 before b11865 Stack-based Buffer Overflow via ggml-rpc RDMA rdma_recv()","titleSource":"VulnCheck","descriptionSource":"VulnCheck","products":[{"vendor":"ggml-org","name":"llama.cpp","platforms":[],"versions":[{"version":"b8841","status":"affected","lessThan":"b11865","versionType":"custom"}],"defaultStatus":"unaffected","source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-118375"}],"remediation":[],"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code.","severity":"critical","score":9.2,"published":"2026-10-28T02:03:22.895Z","modified":"2026-10-28T02:03:22.895Z","withdrawn":false,"knownExploited":false,"affected":[],"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"],"sources":[{"name":"CVE","id":"CVE-2026-118375","modified":"2026-10-28T02:03:22.895Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-118375"}],"assessments":[{"source":"VulnCheck","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},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T00:55:32.564Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}