CVE-2025-6274

Name: CVE-2025-6274
Creator: NVD / NIST
Published: 2025-06-19T19:15:22.71+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2025-6274 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 classified as problematic. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been classified as problematic. Affected is the function OnDataCount of the file src/interp/binary-reader-interp.cc. The manipulation leads to resource consumption. Attacking locally is a requirement. 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

0.18%

8.2th 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/2598Exploit, Issue Tracking
https://github.com/user-attachments/files/20191325/wabt_crash_4.txtExploit
https://vuldb.com/?ctiid.313278Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.313278Third Party Advisory, VDB Entry
https://vuldb.com/?submit.593016Third Party Advisory, VDB Entry
https://github.com/WebAssembly/wabt/issues/2598Exploit, Issue Tracking

Timeline

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

Frequently Asked Questions

What is CVE-2025-6274?

How severe is CVE-2025-6274?

CVE-2025-6274 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6274?

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-2025-6274?

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

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Source: NVD / NIST