NULL pointer dereference in Webassembly Binaryen

CVE-2019-7702

A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parseExpression 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 wasm…

EPSS: 0.011 (63.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-7702?
CVE-2019-7702 is a medium-severity vulnerability in Webassembly Binaryen, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2019-02-10.
How severe is CVE-2019-7702?
Medium severity. CVSS v3 base score is 6.5 out of 10.