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CVE-2025-6272

Published: Jun 19, 2025

Modified: Jun 23, 2025

PUBLISHED

CVSS v3.1

3.3

LOW

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.

Vendor	Product	Versions
n/a	wasm3	affected `0.5.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-313276 | wasm3 m3_compile.c MarkSlotAllocated out-of-bounds write

vdb-entry

technical-description

VDB-313276 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #593008 | wasm3 wasm3 v0.5.0 (commit 79d412e) Out-of-bounds Write

third-party-advisory

https://github.com/wasm3/wasm3/issues/531

issue-tracking

https://github.com/user-attachments/files/19516600/wasm3_crash.txt

exploit

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