CVE-2026-33298 llama.cpp has a Heap Buffer Overflow via Integer Overflow in GGUF Tensor Parsing

llama.cpp is an inference of several LLM models in C/C++. Prior to b7824, an integer overflow vulnerability in the ggmlnbytes function allows an attacker to bypass memory validation by crafting a GGUF file with specific tensor dimensions. This causes ggmlnbytes to return a significantly smaller...

DEBIAN-CVE-2026-2069

A flaw has been found in ggml-org llama.cpp up to 55abc39. Impacted is the function llamagrammaradvancestack of the file llama.cpp/src/llama-grammar.cpp of the component GBNF Grammar Handler. This manipulation causes stack-based buffer overflow. The attack needs to be launched locally. The exploi...

CVE-2026-2069

A flaw has been found in ggml-org llama.cpp up to 55abc39. Impacted is the function llamagrammaradvancestack of the file llama.cpp/src/llama-grammar.cpp of the component GBNF Grammar Handler. This manipulation causes stack-based buffer overflow. The attack needs to be launched locally. The exploi...

CVE-2024-21825

A heap-based buffer overflow vulnerability exists in the GGUF library GGUFTYPEARRAY/GGUFTYPESTRING parsing functionality of llama.cpp Commit 18c2e17. A specially crafted .gguf file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability...

PT-2024-2029 · Unknown · Gguf Library

Name of the Vulnerable Software and Affected Versions: GGUF library affected versions not specified Description: A heap-based buffer overflow vulnerability exists in the GGUF library's header.n tensors functionality of llama.cpp Commit 18c2e17. This issue is related to an integer overflow in the...