CVE-2019-15759

MEDIUM

Webassembly Binaryen < 89 - NULL Pointer Dereference

Title source: rule
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://github.com/WebAssembly/binaryen/issues/2288
Patch, Third Party Advisory x_refsource_misc
https://github.com/WebAssembly/binaryen/pull/2289

Scores

CVSS v3 6.5
EPSS 0.0031
EPSS Percentile 54.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
webassembly/binaryen < 89
Published Aug 29, 2019
Tracked Since Feb 18, 2026