CWE
125
Advisory Published
Updated

CVE-2019-7700

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 SoftwareAffected VersionHow to fix
WebAssembly Binaryen<64

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Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2019-7700.

  • What is the severity of CVE-2019-7700?

    The severity of CVE-2019-7700 is medium with a severity value of 6.5.

  • How does CVE-2019-7700 affect the software?

    CVE-2019-7700 affects the Webassembly Binaryen software version up to 64.

  • What is the description of CVE-2019-7700?

    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.

  • How can CVE-2019-7700 be exploited?

    CVE-2019-7700 can be exploited by providing a crafted wasm input, leading to a segmentation fault and denial-of-service.

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