CVE-2019-7701: A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can…

PriorityP426medium6.5CVSS 3.1

AVNACLPRNUIRSUCNINAH

EPSS

1.15%

63.4th percentile

A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	binaryen	< binaryen 64-1 (bookworm)	binaryen 64-1 (bookworm)
webassembly	binaryen	< 64	64
webassembly	binaryen	>= 0 < 64-1	64-1
webassembly	binaryen	>= 0 < 64-1	64-1
webassembly	binaryen	>= 0 < 64-1	64-1
webassembly	binaryen	>= 0 < 64-1	64-1

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

osv6.5MEDIUM

vendor_debian6.5MEDIUM

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