CVE-2025-6272

wasm3 m3_compile.c MarkSlotAllocated out-of-bounds write

Published Jun 19, 2025 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-18691 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.
Github GHSA Github GHSA GHSA-rrmw-gv85-w824 pywasm3 has Improper Restriction of Operations within the Bounds of a Memory Buffer
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00027}

epss

{'score': 0.00028}

Type Values Removed Values Added
First Time appeared Wasm3 Project
Wasm3 Project wasm3
CPEs cpe:2.3:a:wasm3_project:wasm3:0.5.0:*:*:*:*:*:*:*
Vendors & Products Wasm3 Project
Wasm3 Project wasm3
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title wasm3 m3_compile.c MarkSlotAllocated out-of-bounds write
Weaknesses CWE-119
CWE-787
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.3, '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'}

cvssV4_0

{'score': 4.8, 'vector': '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'}

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer

  • CWE-787

    Out-of-bounds Write

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Jun 23, 2025, 7:30 PM
Reserved
Jun 19, 2025, 6:25 AM
Status
Analyzed
Published
Jun 19, 2025, 6:15 PM
Modified
Jun 17, 2026, 10:01 AM