What is CVE-2019-7154?

CVE-2019-7154 is a medium-severity vulnerability in Webassembly Binaryen, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2019-01-29.

How severe is CVE-2019-7154?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Webassembly Binaryen

CVE-2019-7154

The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause…

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.5th 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

Webassembly Binaryen
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-7154?: CVE-2019-7154 is a medium-severity vulnerability in Webassembly Binaryen, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2019-01-29.
How severe is CVE-2019-7154?: Medium severity. CVSS v3 base score is 6.5 out of 10.