8.8
High
llama.cpp before b3701 contains an out-of-bounds read vulnerability in llamadecodeinternal and llamaencodeinternal that allows remote…
CVE-2024-58400
llama.cpp before b3701 contains an out-of-bounds read vulnerability in llamadecodeinternal and llamaencodeinternal 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 nvocab to read embedding memory out of bounds or crash the process.
Part of the AI stack
This affects llama.cpp, in Inference & serving.
Assessment
- CVSS
- 8.8 (v4.0)
- Severity
- High
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 27 October 2026
- Last updated
- 27 October 2026
- Weakness
- CWE-129
- Assigner
- disclosure@vulncheck.com
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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
At the source
References
- https://github.com/ggml-org/llama.cpp/blob/b3681/examples/server/server.cpp#L789
- https://github.com/ggml-org/llama.cpp/commit/eae597182cb61bbde0b26e7cec5999d28b9327fe
- https://github.com/ggml-org/llama.cpp/commit/faf69d4237c9ae4d7f572b4674d1002463e8acd3
- https://github.com/ggml-org/llama.cpp/pull/9359
- https://github.com/ggml-org/llama.cpp/releases/tag/b3701
- https://www.vulncheck.com/advisories/llama-cpp-before-b3701-out-of-bounds-read-in-llama-decode-via-token-ids
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2024-58400