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 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.

CVSS v3 3.3 LOW
CVSS v2.0 1.7 LOW

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

1.7^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 3.1 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/WebAssembly/binaryen/commit/6fb2b917a79578ab44cf3b900a6da4c27251e0d4	Patch
https://github.com/WebAssembly/binaryen/issues/8090	Exploit Issue Tracking Third Party Advisory
https://github.com/WebAssembly/binaryen/pull/8099	Issue Tracking
https://github.com/oneafter/1204/blob/main/af1	Not Applicable
https://vuldb.com/?ctiid.337593	Permissions Required VDB Entry
https://vuldb.com/?id.337593	Third Party Advisory VDB Entry
https://vuldb.com/?submit.717317	Third Party Advisory VDB Entry
https://vuldb.com/?submit.717319	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:webassembly:binaryen:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-12-19 17:15

Updated : 2025-12-30 18:32

NVD link : CVE-2025-14957

Mitre link : CVE-2025-14957

CVE.ORG link : CVE-2025-14957

JSON object : View

Products Affected

webassembly

binaryen

CWE

CWE-404

Improper Resource Shutdown or Release

CWE-476

NULL Pointer Dereference

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