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CVE-2026-27940 llama.cpp has a Heap Buffer Overflow via Integer Overflow in `mem_size` Calculation — Bypass of CVE-2025-53630 Fix

🗓️ 12 Mar 2026 16:39:37Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

CVE-2026-27940: llama.cpp heap overflow from mem_size overflow in gguf_init_from_file_impl; bypass of CVE-2025-53630; fixed in b8146.

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10 Apr 2026 05:37Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.8
EPSS0.00177
2