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CVE-2025-6275

WebAssembly wabt binary-reader-interp.cc GetFuncOffset use after free

Published: Jun 19, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
3.3CVSSLOW
EPSS Score
0.2%
Top 90.8%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available

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.

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-119CWE-416

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

2 exploit sources identified

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

View exploit details

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/?id.313279
vuldb.com
https://vuldb.com/?ctiid.313279
vuldb.com
https://vuldb.com/?submit.593017
vuldb.com
and 2 more references View all →

Timeline

Published
Jun 19, 2025
Last Updated
Apr 29, 2026

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