CVE-2026-70639
Medium
Description
llama.cpp builds b1886 through b7445 contain a null pointer dereference vulnerability in the LLaMA-Android JNI wrapper where the bench_1model() function fails to validate the model context pointer before dereferencing it. Attackers can supply a malicious, corrupt, or truncated model file to trigger a null context condition, causing a SIGSEGV crash that terminates the Android application process and results in denial of service.
SeverityMedium
CVSS5.5
Exploit probability—
ProductGgml Llama.cpp
PublishedAug 6, 2026
First seenAug 6, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ggml llama.cpp | b1886 ≤ v ≤ b7445 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.