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
- Webassembly Binaryen — versions 125
Weakness classification (CWE)
References
- VDB-337593 | WebAssembly Binaryen IRBuilder wasm-ir-builder.cpp makeLocalTee null pointer dereference (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-337593 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #717317 | WebAssembly binaryen e7706b3 Memory Corruption (Third Party Advisory, VDB Entry, third-party-advisory)
- Submit #717319 | WebAssembly binaryen e7706b3 Memory Corruption (Duplicate) (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- cna@vuldb.com (issue-tracking, Issue Tracking)
- cna@vuldb.com (exploit, Not Applicable)
- cna@vuldb.com (Patch, patch)
- cna@vuldb.com (product)
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.