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.
Details
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| llama.cpp | โ | b8146 |
References
Similar Threats
- Critical CVE-2026-34159
- High CVE-2026-33298
- Unknown DEBIAN-CVE-2026-2069
- High CVE-2026-21869
- Unknown DEBIAN-CVE-2025-53630
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