{"id":"CVE-2026-116840","published":"2026-10-27T01:19:07.217","lastModified":"2026-10-27T01:19:07.217","description":"llama.cpp b5854 before b11275 contains an integer overflow vulnerability in gguf_init_from_reader that bypasses the CVE-2025-53630 size check when padding near-SIZE_MAX tensor sizes. Attackers can supply a crafted GGUF file whose tensor size pads to zero, causing an undersized data blob and out-of-bounds reads by consumers.","cvssScore":6.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwes":["CWE-190"],"vendors":[],"products":[],"references":[{"url":"https://github.com/ggml-org/llama.cpp/blob/v0.5.0/ggml/src/gguf.cpp#L794-L795","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/commit/a6ea155d3d38b3f6f43d0c0dc29c2d592413ef44","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/issues/26978","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/pull/26979","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/releases/tag/b11275","tags":[]},{"url":"https://www.vulncheck.com/advisories/llama-cpp-b5854-before-b11275-integer-overflow-in-gguf-init-from-reader","tags":[]}],"exploitRefs":[{"url":"https://github.com/ggml-org/llama.cpp/blob/v0.5.0/ggml/src/gguf.cpp#L794-L795","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/commit/a6ea155d3d38b3f6f43d0c0dc29c2d592413ef44","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/issues/26978","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/pull/26979","tags":[]},{"url":"https://github.com/ggml-org/llama.cpp/releases/tag/b11275","tags":[]}],"hasPoc":true,"ai":null}