CVE-2019-15759: Null Pointer Dereference
First published: Thu Aug 29 2019(Updated: )
An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Webassembly Binaryen | <89 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-15759?
CVE-2019-15759 is a vulnerability in Binaryen 1.38.32 that can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp.
How severe is CVE-2019-15759?
CVE-2019-15759 has a severity rating of 6.5 (medium).
How does CVE-2019-15759 affect Binaryen?
CVE-2019-15759 affects Binaryen versions up to exclusive version 89.
What is the impact of CVE-2019-15759?
A crafted input can cause segmentation faults, leading to denial-of-service.
How can CVE-2019-15759 be fixed?
Update to a version of Binaryen that is higher than version 89 to mitigate CVE-2019-15759.
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