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CVE-2019-15759

Published: 29 August 2019

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.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
binaryen
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Ignored
(end of life)
eoan Not vulnerable
(89-1)
trusty Does not exist

upstream
Released (89-1)
xenial Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H