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CVE-2025-6272

wasm3 m3_compile.c MarkSlotAllocated out-of-bounds write

Published: Jun 19, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119
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 has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3_compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

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-787

Affected Products

wasm3wasm3 project
Library
OSS Libraries / generic-library
wasm3n/a
wasm3 projectoss-projectOSS Librariesaka wasm3

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

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/user-attachments/files/19516600/wasm3_crash.txt
github.com
https://github.com/wasm3/wasm3/issues/531
github.com
https://vuldb.com/?ctiid.313276
vuldb.com
and 2 more references View all →

Timeline

Published
Jun 19, 2025
Last Updated
Apr 29, 2026

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