CVE-2025-14957— WebAssembly Binaryen IRBuilder wasm-ir-builder.cpp makeLocalTee null pointer dereference
Quick assessment
Affected
WebAssembly Binaryen
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Binaryen是WebAssembly开源的一款使用C++编写的用于WebAssembly的编译器基础结构和工具链库。 Binaryen 125及之前版本存在代码问题漏洞，该漏洞源于IRBuilder组件中函数IRBuilder::makeLocalGet的错误操作，可能导致空指针取消引用。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2025-14957
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
WebAssembly Binaryen IRBuilder wasm-ir-builder.cpp makeLocalTee null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Binaryen 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Binaryen是WebAssembly开源的一款使用C++编写的用于WebAssembly的编译器基础结构和工具链库。 Binaryen 125及之前版本存在代码问题漏洞，该漏洞源于IRBuilder组件中函数IRBuilder::makeLocalGet的错误操作，可能导致空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| WebAssembly | Binaryen | 125 |
cpe:2.3:a:webassembly:binaryen:*:*:*:*:*:*:*:*
|
|
II. Public POCs for CVE-2025-14957
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-14957
请登录查看更多情报信息。
Patches & Fixes for CVE-2025-14957 (2)
-
https://github.com/WebAssembly/binaryen/pull/8099 issue-tracking
Vendor Advisories for CVE-2025-14957 (4)
-
-
https://vuldb.com/?submit.717317 third-party-advisory
-
https://vuldb.com/?submit.717319 third-party-advisory
-
Vendor Pages for CVE-2025-14957 (1)
Other References for CVE-2025-14957 (2)
-
https://github.com/WebAssembly/binaryen/issues/8090 issue-tracking
IV. Related Vulnerabilities
Same vendor: WebAssembly
-
CVE-2026-90648
CVE-2026-90648 -
CVE-2026-8257
WebAssembly Binaryen BrOn wasm-ir-builder.cpp makeBrOn asser -
CVE-2025-15412
WebAssembly wabt wasm-decompile VarName out-of-bounds -
CVE-2025-15411
WebAssembly wabt wasm-decompile InsertNode memory corruption -
CVE-2025-14956
WebAssembly Binaryen wasm-binary.cpp readExport heap-based o
Same weakness: CWE-476
-
CVE-2026-90485
IOBit Uninstaller IOCTL Dispatch IURegistryFilter.sys sub_11 -
CVE-2026-78130
strongSwan 4.2.0-6.0.7空指针解引用 -
CVE-2026-78126
strongSwan 6.0.7 前 EAP-AKA 空指针解引用 -
CVE-2026-45747
Suricata lua/tls: null dereference in TlsGetCertInfo -
CVE-2026-86547
mrubyc through 4.0.0 NULL Pointer Dereference via OP_ENTER
V. Comments for CVE-2025-14957
No comments yet