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Vulnerabilities CVE-2026-70639

CVE-2026-70639

Medium
Open
TLP:CLEAR

llama.cpp b1886–b7445 Null Pointer Dereference DoS via llama-android.cpp

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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.

Details

CVSS Score
6.8
EPSS Score
0.13%

3th percentile

CVSS Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
Aug 6, 2026
Last Modified
Aug 7, 2026
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