Heap-based Buffer Overflow in WebAssembly Wabt Affects Multiple Versions
CVE-2025-2584

2.3LOW

Key Information:

Vendor

Webassembly

Status
Wabt
Vendor
CVE Published:
21 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2584?

A vulnerability exists in the WebAssembly Wabt version 1.0.36, specifically in the BinaryReaderInterp::GetReturnCallDropKeepCount function. This flaw allows for a heap-based buffer overflow, which could potentially be exploited remotely. Although the attack complexity is relatively high, if successfully executed, this vulnerability poses significant risks to systems utilizing this version of Wabt. The vulnerability details have been disclosed publicly, raising concerns over its potential exploitation.

Affected Version(s)

wabt 1.0.36

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-2584 - Proof of Concept

References

https://vuldb.com/?id.300544
vdb-entrytechnical-description
https://vuldb.com/?ctiid.300544
signaturepermissions-required
https://vuldb.com/?submit.515406
third-party-advisory

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-2584 : Heap-based Buffer Overflow in WebAssembly Wabt Affects Multiple Versions