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 Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update WebAssembly wabt to the latest version.
- Apply security patches provided by the vendor.
- Review code for potential use-after-free issues.
- Test thoroughly after applying updates.
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 |
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:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-6275
weaknesses.
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