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CVE-2025-14957

nvd nist
Published: Dec 19, 2025Modified: Apr 29, 2026

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1.9
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: CNA (Secondary)

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.

Affected (1)

Webassembly
1 product
Binaryen
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Binaryen
Up to 125

Related CWEs

CWE-404
Improper Resource Shutdown or Release
The product does not release or incorrectly releases a resource before it is made available for re-use.
CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (9)

Source: cna@vuldb.com
Source: cna@vuldb.com
Patch
Source: cna@vuldb.com
ExploitIssue TrackingThird Party Advisory
Source: cna@vuldb.com
Issue Tracking
Source: cna@vuldb.com
Not Applicable
Source: cna@vuldb.com
Permissions RequiredVDB Entry
Source: cna@vuldb.com
Third Party AdvisoryVDB Entry
Source: cna@vuldb.com
Third Party AdvisoryVDB Entry
Source: cna@vuldb.com
Third Party AdvisoryVDB Entry

Timeline

No history available yet.