CVE-2025-6274

Description

A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been classified as problematic. Affected is the function OnDataCount of the file src/interp/binary-reader-interp.cc. The manipulation leads to resource consumption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might get disputed as well in the future.

CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-404 CWE-404

Affected Products

Vendor	Product	Versions
webassembly	wabt	< 1.0.37

References

Exploits

https://github.com/WebAssembly/wabt/issues/2598 https://github.com/user-attachments/files/20191325/wabt_crash_4.txt https://github.com/WebAssembly/wabt/issues/2598

Other References

https://vuldb.com/?ctiid.313278 https://vuldb.com/?id.313278 https://vuldb.com/?submit.593016

Frequently Asked Questions

What is CVE-2025-6274? +

A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been classified as problematic. Affected is the function OnDataCount of the file src/interp/binary-reader-interp.cc. The manipulation leads to resource consumption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might get disputed as well in the future. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-6274? +

CVE-2025-6274 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-6274? +

CVE-2025-6274 affects products from webassembly, specifically: wabt. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6274? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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