{"api_version":"1","generated_at":"2026-11-11T16:23:32+00:00","cve":"CVE-2026-54914","urls":{"html":"https://cve.report/CVE-2026-54914","api":"https://cve.report/api/cve/CVE-2026-54914.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-54914","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-54914"},"summary":{"title":"WebAssembly Micro Runtime: Heap Buffer Overflow in WAMR WASI poll_oneoff Output Buffer","description":"WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to 2.4.5, wasi_poll_oneoff in core/iwasm/libraries/libc-wasi/libc_wasi_wrapper.c validates the output pointer for only one wasi_event_t, while wasmtime_ssp_poll_oneoff in core/iwasm/libraries/libc-wasi/sandboxed-system-primitives/src/posix.c can write as many events as the guest-controlled nsubscriptions value. 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