Description
llama.cpp is an inference of several LLM models in C/C++. Prior to b8146, the gguf_init_from_file_impl() in gguf.cpp is vulnerable to an Integer overflow, leading to an undersized heap allocation. Using the subsequent fread() writes 528+ bytes of attacker-controlled data past the buffer boundary. This is a bypass of a similar bug in the same file - CVE-2025-53630, but the fix overlooked some areas. This vulnerability is fixed in b8146.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| ggml-org | llama.cpp | < b8146 |
References
- https://github.com/ggml-org/llama.cpp/security/advisories/GHSA-3p4r-fq3f-q74vExploit, Vendor Advisory
Timeline
- Published
- Mar 12, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed