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.
References6
- github.com/ggml-org/llama.cpp
- github.com/ggml-org/llama.cpp/blob/620d2225cc436ab0b001e3200e59…
- github.com/ggml-org/llama.cpp/commit/9a0fde9967fa1a35b6e5dd1f47…
- github.com/ggml-org/llama.cpp/pull/30399
- github.com/ggml-org/llama.cpp/releases/tag/b11865
- www.vulncheck.com/advisories/llama-cpp-b8841-before-b11865-stac…
Metrics
- CVSS 3.1
-
8.1
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
9.2
CRITICAL
Score source: CNA
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 31 · as of 2 November 2026
- CWE
- CWE-787
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