CVE-2026-116840
Medium
Description
llama.cpp b5854 before b11275 contains an integer overflow vulnerability in gguf_init_from_reader that bypasses the CVE-2025-53630 size check when padding near-SIZE_MAX tensor sizes. Attackers can supply a crafted GGUF file whose tensor size pads to zero, causing an undersized data blob and out-of-bounds reads by consumers.
SeverityMedium
CVSS6.1
Exploit probability—
ProductGgml-org Llama.cpp
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- ggml-org llama.cppb11275, 0.6.0 or later
Patches
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ggml-org llama.cpp | b5854 ≤ v < b11275, 0.1.0 ≤ v < 0.6.0 | b11275, 0.6.0 |
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