Memory Leak Vulnerability in wasm3 by the wasm3 Project
CVE-2025-15572

4.8MEDIUM

Key Information:

Vendor

wasm3 Project

Status
Wasm3
Vendor
CVE Published:
10 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15572?

A memory leak vulnerability exists in the wasm3 project affecting versions up to 0.5.0, specifically within the NewCodePage function. This flaw allows local attackers to exploit the vulnerability, resulting in unintended memory consumption. The public disclosure may lead to increased exploitation attempts, which is concerning given the current lack of active maintenance for the project. Users of the affected versions should take immediate action to secure their systems.

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Affected Version(s)

wasm3 0.1

wasm3 0.2

wasm3 0.3

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-2025-15572 - Proof of Concept

References

https://vuldb.com/?id.344934
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344934
signaturepermissions-required
https://vuldb.com/?submit.752765
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Oneafter (VulDB User)
JSON
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