First published: Sun Feb 10 2019(Updated: )
A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-merge.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
WebAssembly Binaryen | <64 |
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The vulnerability ID is CVE-2019-7700.
The severity of CVE-2019-7700 is medium with a severity value of 6.5.
CVE-2019-7700 affects the Webassembly Binaryen software version up to 64.
CVE-2019-7700 is a heap-based buffer over-read vulnerability in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22 that can cause a segmentation fault leading to denial-of-service.
CVE-2019-7700 can be exploited by providing a crafted wasm input, leading to a segmentation fault and denial-of-service.