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.
Configurations

Configuration 1 (hide)

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

History

24 Feb 2026, 06:16

Type Values Removed Values Added
References
  • () https://github.com/WebAssembly/binaryen/ -

30 Dec 2025, 18:32

Type Values Removed Values Added
First Time Webassembly
Webassembly binaryen
CPE cpe:2.3:a:webassembly:binaryen:*:*:*:*:*:*:*:*
References () https://github.com/WebAssembly/binaryen/commit/6fb2b917a79578ab44cf3b900a6da4c27251e0d4 - () https://github.com/WebAssembly/binaryen/commit/6fb2b917a79578ab44cf3b900a6da4c27251e0d4 - Patch
References () https://github.com/WebAssembly/binaryen/issues/8090 - () https://github.com/WebAssembly/binaryen/issues/8090 - Exploit, Issue Tracking, Third Party Advisory
References () https://github.com/WebAssembly/binaryen/pull/8099 - () https://github.com/WebAssembly/binaryen/pull/8099 - Issue Tracking
References () https://github.com/oneafter/1204/blob/main/af1 - () https://github.com/oneafter/1204/blob/main/af1 - Not Applicable
References () https://vuldb.com/?ctiid.337593 - () https://vuldb.com/?ctiid.337593 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.337593 - () https://vuldb.com/?id.337593 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.717317 - () https://vuldb.com/?submit.717317 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.717319 - () https://vuldb.com/?submit.717319 - Third Party Advisory, VDB Entry

19 Dec 2025, 17:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-12-19 17:15

Updated : 2026-02-24 06:16


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