CVE-2025-2584: wabt Buffer Overflow — Exploit

Description

A vulnerability was found in WebAssembly wabt 1.0.36. It has been declared as critical. This vulnerability affects the function BinaryReaderInterp::GetReturnCallDropKeepCount of the file wabt/src/interp/binary-reader-interp.cc. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.

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CVSS v3.1 Score

5.0

MEDIUM

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-122 CWE-122

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
webassembly	wabt	All

References

Exploits

https://github.com/WebAssembly/wabt/issues/2557 https://github.com/WebAssembly/wabt/issues/2557#issue-2900405517

Other References

https://vuldb.com/?ctiid.300544 https://vuldb.com/?id.300544 https://vuldb.com/?submit.515406

Frequently Asked Questions

What is CVE-2025-2584? +

A vulnerability was found in WebAssembly wabt 1.0.36. It has been declared as critical. This vulnerability affects the function BinaryReaderInterp::GetReturnCallDropKeepCount of the file wabt/src/interp/binary-reader-interp.cc. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 5.0 (MEDIUM).

How severe is CVE-2025-2584? +

CVE-2025-2584 has a CVSS v3.1 score of 5.0 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-2584? +

CVE-2025-2584 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-2025-2584? +

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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