CVE-2019-15759 — MEDIUM (6.5)

Q: How severe is CVE-2019-15759?

CVE-2019-15759 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2019-15759?

Check the references section above for vendor advisories and patch information. Affected products include: Webassembly Binaryen.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Webassembly	Binaryen	< 89

Related Weaknesses (CWE)

CWE-476

References

https://github.com/WebAssembly/binaryen/issues/2288ExploitPatchThird Party Advisory
https://github.com/WebAssembly/binaryen/pull/2289PatchThird Party Advisory
https://github.com/WebAssembly/binaryen/issues/2288ExploitPatchThird Party Advisory
https://github.com/WebAssembly/binaryen/pull/2289PatchThird Party Advisory

FAQ

What is CVE-2019-15759?

CVE-2019-15759 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...

How severe is CVE-2019-15759?

CVE-2019-15759 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-15759?

Check the references section above for vendor advisories and patch information. Affected products include: Webassembly Binaryen.