EUVD Vulnerability Catalog
EUVD-2026-111551
Severity: CRITICAL
Base Score: 9.2
CVSS Version: 4.0
Vulnerability 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.
CVSS Vector Analysis
Below is the complete, human-readable breakdown of the CVSS metric string: 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
▪
Attack Vector (AV): Network
▪
Attack Complexity (AC): Low
▪
Attack Requirements (AT): Present
▪
Privileges Required (PR): None
▪
User Interaction (UI): None
▪
Vulnerability Confidentiality Impact (VC): High
▪
Vulnerability Integrity Impact (VI): High
▪
Vulnerability Availability Impact (VA): High
▪
Subsequent Confidentiality Impact (SC): None
▪
Subsequent Integrity Impact (SI): None
▪
Subsequent Availability Impact (SA): None
Affected Vendors & Systems
Vendor
ggml-org
References & Advisory Links
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2026-118375
Metadata Profile
Database Authority
European Union Agency for Cybersecurity (ENISA) EUVD
Assigner
VulnCheck
EPSS Probability
0
Known Aliases
GHSA-pmf8-m38j-h768
CVE-2026-118375
Published On
2026-10-28
Last Updated
2026-10-28