https://poc.intelseclab.com/tags/memcpy/Latest proof-of-concept entries.Hugoen-usWed, 08 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/network/2026-07-08_xring-xquic-qpack-ring-mem-resize-underflow/Wed, 08 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/network/2026-07-08_xring-xquic-qpack-ring-mem-resize-underflow/Critical severity — network. Status: Weaponized (public PoC, unpatched at publication). Affects: [alibaba/xquic](https://github.com/alibaba/xquic) — QUIC/HTTP-3 library, used by Tengine and reportedly across Alibaba's cloud/CDN infrastructure (Taobao, AliPay). Tags: quic, http3, qpack, xquic, alibaba, tengine, ring-buffer, integer-underflow, heap-oob-read, memcpy, remote, unauthenticated, dos, no-cve.networkCriticalquichttp3qpackxquicalibabatenginering-bufferinteger-underflowheap-oob-readmemcpyremoteunauthenticateddosno-cvehttps://poc.intelseclab.com/pocs/binary/2026-07-05_cve-2026-21018-samsung-sveservice-oob-write-lpe/Sun, 05 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/binary/2026-07-05_cve-2026-21018-samsung-sveservice-oob-write-lpe/High severity — binary · CVE-2026-21018 (Samsung SVE-2026-0478, SMR May 2026). Status: PoC. Affects: Samsung SveService (com.sec.sve) system service and its libsvejni.so native library. Tags: android, samsung, binder, native, out-of-bounds-write, jni, lpe, memcpy, memset.binaryHighandroidsamsungbindernativeout-of-bounds-writejnilpememcpymemset