one-multiply-too-many-cve-2026-70638-llama-cpp-android-jni-integer-overflow

CVE-2026-70638 - Estouro de Inteiro no JNI LLaMA-Android do llama.cpp PoC complementar para o artigo da Hunt-Benito "Uma Multiplicação a Mais: CVE-2026-70638 — Estouro de Inteiro na Alocação de Heap do JNI Android do llama.cpp" →...

EUVD-2026-54280

llama.cpp builds b1886 through b7445 contain a race condition use-after-free vulnerability in the LLaMA-Android JNI wrapper where bench1model and free1context lack synchronization, allowing Thread A to operate on freed memory while Thread B concurrently frees the llamacontext. Attackers can explo...

EUVD-2026-54276

llama.cpp builds b1886 through b7445 contain an integer overflow vulnerability in the LLaMA-Android JNI wrapper where the new1batch function multiplies sizeofllamaseqid by an attacker-controlled nseqmax parameter without overflow validation, causing heap buffer allocation to wrap and allocate...

DEBIAN-CVE-2026-70639

llama.cpp builds b1886 through b7445 contain a null pointer dereference vulnerability in the LLaMA-Android JNI wrapper where the bench1model function fails to validate the model context pointer before dereferencing it. Attackers can supply a malicious, corrupt, or truncated model file to trigger ...

DEBIAN-CVE-2026-70638

llama.cpp builds b1886 through b7445 contain an integer overflow vulnerability in the LLaMA-Android JNI wrapper where the new1batch function multiplies sizeofllamaseqid by an attacker-controlled nseqmax parameter without overflow validation, causing heap buffer allocation to wrap and allocate...

CVE-2026-70639

llama.cpp builds b1886 through b7445 contain a null pointer dereference vulnerability in the LLaMA-Android JNI wrapper where the bench1model function fails to validate the model context pointer before dereferencing it. Attackers can supply a malicious, corrupt, or truncated model file to trigger ...

CVE-2026-43622

llama.cpp builds b1886 through b7445 contain a double free vulnerability in the LLaMA-Android JNI wrapper where new1batch allocates memory using malloc while free1batch deallocates it using the C++ delete operator, causing heap metadata corruption. Attackers can trigger this memory management...

CVE-2026-43622

llama.cpp builds b1886 through b7445 contain a double free vulnerability in the LLaMA-Android JNI wrapper where new1batch allocates memory using malloc while free1batch deallocates it using the C++ delete operator, causing heap metadata corruption. Attackers can trigger this memory management...

CVE-2026-70640 llama.cpp b1886–b7445 Race Condition Use-After-Free via llama-android.cpp

llama.cpp builds b1886 through b7445 contain a race condition use-after-free vulnerability in the LLaMA-Android JNI wrapper where bench1model and free1context lack synchronization, allowing Thread A to operate on freed memory while Thread B concurrently frees the llamacontext. Attackers can explo...

CVE-2026-70640

The CVE-2026-70640 issue affects llama.cpp builds b1886–b7445, with a race condition in the LLaMA-Android JNI wrapper: bench_1model() and free_1context() lack synchronization, allowing a thread to operate on freed llama_context memory. Attackers could perform heap spray using attacker-controlled ...

CVE-2026-70640

llama.cpp builds b1886 through b7445 contain a race condition use-after-free vulnerability in the LLaMA-Android JNI wrapper where bench1model and free1context lack synchronization, allowing Thread A to operate on freed memory while Thread B concurrently frees the llamacontext. Attackers can explo...

CVE-2026-70640 llama.cpp b1886–b7445 Race Condition Use-After-Free via llama-android.cpp

llama.cpp builds b1886 through b7445 contain a race condition use-after-free vulnerability in the LLaMA-Android JNI wrapper where bench1model and free1context lack synchronization, allowing Thread A to operate on freed memory while Thread B concurrently frees the llamacontext. Attackers can explo...

CVE-2026-70639 llama.cpp b1886–b7445 Null Pointer Dereference DoS via llama-android.cpp

llama.cpp builds b1886 through b7445 contain a null pointer dereference vulnerability in the LLaMA-Android JNI wrapper where the bench1model function fails to validate the model context pointer before dereferencing it. Attackers can supply a malicious, corrupt, or truncated model file to trigger ...

CVE-2026-70639

llama.cpp builds b1886 through b7445 contain a null pointer dereference vulnerability in the LLaMA-Android JNI wrapper where the bench1model function fails to validate the model context pointer before dereferencing it. Attackers can supply a malicious, corrupt, or truncated model file to trigger ...

CVE-2026-70638 llama.cpp b1886–b7445 Integer Overflow via new_1batch() in llama-android.cpp

llama.cpp builds b1886 through b7445 contain an integer overflow vulnerability in the LLaMA-Android JNI wrapper where the new1batch function multiplies sizeofllamaseqid by an attacker-controlled nseqmax parameter without overflow validation, causing heap buffer allocation to wrap and allocate...

CVE-2026-70638

CVE-2026-70638 affects the llama.cpp project, specifically the LLaMA-Android JNI wrapper. Versions b1886–b7445 are vulnerable due to an integer overflow in new_1batch(), which multiplies sizeof(llama_seq_id) by an attacker-controlled n_seq_max without overflow validation, causing the heap allocat...

CVE-2026-70638

llama.cpp builds b1886 through b7445 contain an integer overflow vulnerability in the LLaMA-Android JNI wrapper where the new1batch function multiplies sizeofllamaseqid by an attacker-controlled nseqmax parameter without overflow validation, causing heap buffer allocation to wrap and allocate...

CVE-2026-70638 llama.cpp b1886–b7445 Integer Overflow via new_1batch() in llama-android.cpp

llama.cpp builds b1886 through b7445 contain an integer overflow vulnerability in the LLaMA-Android JNI wrapper where the new1batch function multiplies sizeofllamaseqid by an attacker-controlled nseqmax parameter without overflow validation, causing heap buffer allocation to wrap and allocate...

CVE-2026-70638 llama.cpp b1886–b7445 Integer Overflow via new_1batch() in llama-android.cpp

llama.cpp builds b1886 through b7445 contain an integer overflow vulnerability in the LLaMA-Android JNI wrapper where the new1batch function multiplies sizeofllamaseqid by an attacker-controlled nseqmax parameter without overflow validation, causing heap buffer allocation to wrap and allocate...

CVE-2026-43622 llama.cpp b1886–b7445 Double Free via llama-android.cpp

llama.cpp builds b1886 through b7445 contain a double free vulnerability in the LLaMA-Android JNI wrapper where new1batch allocates memory using malloc while free1batch deallocates it using the C++ delete operator, causing heap metadata corruption. Attackers can trigger this memory management...