3.3
LOW
CVE-2025-6275
WebAssembly wabt Use After Free Vuln
Description

A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been declared as problematic. Affected by this vulnerability is the function GetFuncOffset of the file src/interp/binary-reader-interp.cc. The manipulation leads to use after free. It is possible to launch the attack on the local host. 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.

INFO

Published Date :

June 19, 2025, 8:15 p.m.

Last Modified :

July 2, 2025, 6:34 p.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2025-6275 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Webassembly wabt
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-6275.

URL Resource
https://github.com/WebAssembly/wabt/issues/2614 Exploit Issue Tracking
https://github.com/user-attachments/files/20623626/wabt_crash_5.txt Exploit
https://vuldb.com/?ctiid.313279 Permissions Required Third Party Advisory VDB Entry
https://vuldb.com/?id.313279 Third Party Advisory VDB Entry
https://vuldb.com/?submit.593017 Third Party Advisory VDB Entry
https://github.com/WebAssembly/wabt/issues/2614 Exploit Issue Tracking

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-6275 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-6275 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jul. 02, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:webassembly:wabt:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.37
    Added Reference Type VulDB: https://github.com/user-attachments/files/20623626/wabt_crash_5.txt Types: Exploit
    Added Reference Type CISA-ADP: https://github.com/WebAssembly/wabt/issues/2614 Types: Exploit, Issue Tracking
    Added Reference Type VulDB: https://github.com/WebAssembly/wabt/issues/2614 Types: Exploit, Issue Tracking
    Added Reference Type VulDB: https://vuldb.com/?ctiid.313279 Types: Permissions Required, Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.313279 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.593017 Types: Third Party Advisory, VDB Entry
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 23, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/WebAssembly/wabt/issues/2614
  • New CVE Received by [email protected]

    Jun. 19, 2025

    Action Type Old Value New Value
    Added Description A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been declared as problematic. Affected by this vulnerability is the function GetFuncOffset of the file src/interp/binary-reader-interp.cc. The manipulation leads to use after free. It is possible to launch the attack on the local host. 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.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P)
    Added CWE CWE-119
    Added CWE CWE-416
    Added Reference https://github.com/user-attachments/files/20623626/wabt_crash_5.txt
    Added Reference https://github.com/WebAssembly/wabt/issues/2614
    Added Reference https://vuldb.com/?ctiid.313279
    Added Reference https://vuldb.com/?id.313279
    Added Reference https://vuldb.com/?submit.593017
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-6275 is associated with the following CWEs:

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability