{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"ggml-org/llama.cpp","product":"llama.cpp","source":"CNA: VulnCheck","vendor":"ggml-org","versions":[{"lessThan":"b11865","status":"affected","version":"b8841","versionType":"custom"}]}],"cveId":"CVE-2026-118375","cwes":["CWE-787"],"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.","epss":{"date":"2026-11-02","percentile":0.30655,"score":0.00368},"exploits":[],"kev":null,"metrics":[{"score":9.2,"severity":"critical","source":"CNA: 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","version":"4.0"},{"score":8.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793709832072,"publishedAt":1793153002895,"references":[{"source":"CNA: VulnCheck","tags":["patch","issue-tracking"],"url":"https://github.com/ggml-org/llama.cpp/pull/30399"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/ggml-org/llama.cpp/commit/9a0fde9967fa1a35b6e5dd1f47e1a3648b6fecc1"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/ggml-org/llama.cpp/blob/620d2225cc436ab0b001e3200e590e3b286ef9ab/ggml/src/ggml-rpc/transport.cpp#L510-L528"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/ggml-org/llama.cpp/releases/tag/b11865"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/ggml-org/llama.cpp"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/llama-cpp-b8841-before-b11865-stack-based-buffer-overflow-via-ggml-rpc-rdma-rdma-recv"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/ggml-org/llama.cpp/pull/30399"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/ggml-org/llama.cpp/commit/9a0fde9967fa1a35b6e5dd1f47e1a3648b6fecc1"}],"revision":"010ddc61385e7981aab5969b2e4ebce41aaa12d2b1ec2a4116f2c019fc63943f","sources":[{"modifiedAt":1793709832072,"name":"CNA: VulnCheck","retrievedAt":1793711383461,"url":"https://www.cve.org/CVERecord?id=CVE-2026-118375"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793711402111,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-118375"}],"ssvc":{"assessedAt":1793709818818,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"llama.cpp b8841 before b11865 Stack-based Buffer Overflow via ggml-rpc RDMA rdma_recv()","updatedAt":1793711402111}