{"id":"CVE-2025-71439","published":"2026-10-27T01:19:03.470","lastModified":"2026-10-27T01:19:03.470","description":"llama.cpp before b5649 contains a heap out-of-bounds read vulnerability in llama_vocab::impl::print_info() that allows attackers to crash model loading via oversized special token IDs. Attackers can supply a crafted GGUF model with a short tokenizer.ggml.tokens array, causing llama-cli or llama-server to read past id_to_token and crash.","cvssScore":5.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-125"],"vendors":[],"products":[],"references":[{"url":"https://github.com/ggml-org/llama.cpp/blob/b5648/src/llama-vocab.cpp#L2771","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/commit/c33fe8b8c4427202706b1434e9fc8ab5752c9cac","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/pull/14145","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/releases/tag/b5649","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/security/advisories/GHSA-g4cc-763q-h9h6","tags":[]},{"url":"https://www.vulncheck.com/advisories/llama-cpp-before-b5649-heap-out-of-bounds-read-via-llama-vocab-impl-print-info","tags":[]}],"exploitRefs":[{"url":"https://github.com/ggml-org/llama.cpp/blob/b5648/src/llama-vocab.cpp#L2771","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/commit/c33fe8b8c4427202706b1434e9fc8ab5752c9cac","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/pull/14145","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/releases/tag/b5649","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/security/advisories/GHSA-g4cc-763q-h9h6","tags":[]}],"hasPoc":true,"ai":null}