Buffer overflow in Ggml Llama.cpp

CVE-2024-21836

A heap-based buffer overflow vulnerability exists in the GGUF library header.n_tensors 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.

Vulnerability class: Integer Overflow

EPSS: 0.013 (68.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21836?
CVE-2024-21836 is a high-severity vulnerability in Ggml Llama.cpp, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2024-02-26.
How severe is CVE-2024-21836?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-21836 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.