Out-of-Bounds Affecting llama-cpp package, versions [,b6565)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.14% (36th percentile)

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  • Snyk IDSNYK-CONAN-LLAMACPP-10500782
  • published26 Jun 2025
  • disclosed17 Jun 2025
  • creditUnknown

Introduced: 17 Jun 2025

CVE-2025-49847  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade llama-cpp to version b6565 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds via the token_to_piece function in the file llama-vocab.cpp. An attacker can cause arbitrary memory corruption and potentially execute code by supplying a specially crafted GGUF model that triggers a buffer overflow during vocabulary loading.

References

CVSS Base Scores

version 4.0
version 3.1