Vulnerability DatabaseCVE-2024-58400
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CVE-2024-58400
Published:October 27, 2026
Updated:October 28, 2026
llama.cpp before b3701 contains an out-of-bounds read vulnerability in llama_decode_internal and llama_encode_internal that allows remote unauthenticated attackers to read memory by supplying unvalidated token IDs. Attackers can send integer-array prompts to the llama-server /completion endpoint with IDs outside 0 to n_vocab to read embedding memory out of bounds or crash the process.
Related Resources (8)
https://github.com/ggml-org/llama.cpp/releases/tag/b3701
https://github.com/ggml-org/llama.cpp/blob/b3681/examples/server/server.cpp#L789
https://github.com/ggml-org/llama.cpp/pull/9359
https://nvd.nist.gov/vuln/detail/CVE-2024-58400
https://www.vulncheck.com/advisories/llama-cpp-before-b3701-out-of-bounds-read-in-llama-decode-via-token-ids
https://github.com/ggml-org/llama.cpp/commit/eae597182cb61bbde0b26e7cec5999d28b9327fe
https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/58xxx/CVE-2024-58400.json
https://github.com/ggml-org/llama.cpp/commit/faf69d4237c9ae4d7f572b4674d1002463e8acd3
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Validation of Array Index
CWE-129
EPSS
Base Score:
0.42