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CVE-2025-6274

WebAssembly wabt binary-reader-interp.cc OnDataCount resource consumption

Published: Jun 19, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-400
NVD MITRE
3.3CVSSLOW
EPSS Score
0.2%
Top 91.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-400CWE-404

Affected Products

wabtWebAssembly
Library
OSS Libraries / generic-library
wabtwebassembly
Library
OSS Libraries / generic-library
webassemblyoss-projectOSS Librariesaka webassembly

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://vuldb.com/?id.313278
vuldb.com
https://vuldb.com/?ctiid.313278
vuldb.com
https://vuldb.com/?submit.593016
vuldb.com
and 2 more references View all →

Timeline

Published
Jun 19, 2025
Last Updated
Apr 29, 2026

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