CVE-2019-15759: 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…

PriorityP425medium6.5CVSS 3.1

AVNACLPRNUIRSUCNINAH

EPSS

1.25%

66.1th percentile

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.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	binaryen	< binaryen 89-1 (bookworm)	binaryen 89-1 (bookworm)
webassembly	binaryen	< 89	89
webassembly	binaryen	>= 0 < 89-1	89-1
webassembly	binaryen	>= 0 < 89-1	89-1
webassembly	binaryen	>= 0 < 89-1	89-1
webassembly	binaryen	>= 0 < 89-1	89-1

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_debian6.5LOW

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.