CVE-2025-6275

Name: CVE-2025-6275
Creator: NVD / NIST
Published: 2025-06-19T20:15:24.71+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2025-6275 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been declared as problematic. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

3.3/10

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

CVSS 4.0

1.9/10

CVSS:4.0/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

EPSS Probability

0.19%

9.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Webassembly	Wabt	< 1.0.37

References

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

Timeline

Published: Jun 19, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-6275?

How severe is CVE-2025-6275?

CVE-2025-6275 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6275?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-6275?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST