CVE-2019-7700 describes a heap-based buffer over-read vulnerability in Binaryen 1.38.22, specifically within the wasm::WasmBinaryBuilder::visitCall function. This flaw allows a remote, unauthenticated attacker to trigger a denial-of-service condition by providing a specially crafted WebAssembly (wasm) input, as demonstrated by wasm-merge. The vulnerability has a CVSS v3.1 score of 6.5 (Medium), indicating a low attack complexity and high impact on availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 64CPE matchmatch criteria | cpe:2.3:a:webassembly:binaryen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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