CVE-2025-14957

3.3 LOW
Published: December 19, 2025 Modified: February 24, 2026
View on NVD

Description

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 manipulation of the argument Index leads to null pointer dereference. Local access is required to approach this attack. The exploit is publicly available and might be used. The name of the patch is 6fb2b917a79578ab44cf3b900a6da4c27251e0d4. Applying a patch is advised to resolve this issue.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/WebAssembly/binaryen/issues/8090
Source: cna@vuldb.com
Exploit Issue Tracking Third Party Advisory
https://github.com/WebAssembly/binaryen/pull/8099
Source: cna@vuldb.com
Issue Tracking
https://github.com/oneafter/1204/blob/main/af1
Source: cna@vuldb.com
Not Applicable
https://vuldb.com/?ctiid.337593
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.337593
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.717317
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.717319
Source: cna@vuldb.com
Third Party Advisory VDB Entry

9 reference(s) from NVD

Quick Stats

CVSS v3 Score
3.3 / 10.0
EPSS (Exploit Probability)
0.0%
5th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

webassembly