Stack-based Buffer Overflow Affecting llama-cpp package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-LLAMACPP-15248332
- published8 Feb 2026
- disclosed6 Feb 2026
- creditTYGLS
Introduced: 6 Feb 2026
CVE-2026-2069 (opens in a new tab)How to fix?
There is no fixed version for llama-cpp.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the llama_grammar_advance_stack function. An attacker can cause a stack-based buffer overflow by providing specially crafted input to the GBNF Grammar Handler component.