NULL pointer dereference in Webassembly Binaryen

CVE-2025-14957

A vulnerability was identified in WebAssembly Binaryen up to 125. This affects the function IRBuilder::makeLocalGet/IRBuilder::makeLocalSet/IRBuilder::makeLocalTee of the file src/wasm/wasm-ir-builder.cpp of the component IRBuilder. Such m…

EPSS: 0.000 (4.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-14957?
CVE-2025-14957 is a low-severity vulnerability in Webassembly Binaryen, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2025-12-19.
How severe is CVE-2025-14957?
Low severity. CVSS v3 base score is 3.3 out of 10.