Vulnerability in Ggml-Org Llama.cpp
CVE-2024-58400
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/ggml-org/llama.cpp/blob/b3681/examples/server/server.cpp (technical-description)
- github.com/ggml-org/llama.cpp/commit/eae597182cb61bbde0b26e7cec5999d28b9327fe (patch)
- github.com/ggml-org/llama.cpp/commit/faf69d4237c9ae4d7f572b4674d1002463e8acd3 (patch)
- github.com/ggml-org/llama.cpp/pull/9359 (issue-tracking, patch)
- github.com/ggml-org/llama.cpp/releases/tag/b3701 (release-notes)
- www.vulncheck.com/advisories/llama-cpp-before-b3701-out-of-bounds-read-in-llama… (third-party-advisory)
Frequently asked questions
- What is CVE-2024-58400?
- CVE-2024-58400 is a high-severity vulnerability in Ggml-Org Llama.cpp, classified under Improper Validation of Array Index. CVSS score: 8.2/10. Published 2026-10-27.
- How severe is CVE-2024-58400?
- High severity. CVSS v3 base score is 8.2 out of 10.