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WebAssembly CVE-2025-6275

| EUVD-2025-18695 LOW
Buffer Overflow (CWE-119)
2025-06-19 cna@vuldb.com
Buffer Overflow Denial Of Service
1.9
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
1.9 LOW
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Ubuntu
MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

6
CVSS changed
Apr 29, 2026 - 01:11 NVD
3.3 (LOW) 1.9 (LOW)
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 15, 2026 - 00:08 euvd
EUVD-2025-18695
Analysis Generated
Mar 15, 2026 - 00:08 vuln.today
PoC Detected
Jul 02, 2025 - 18:34 vuln.today
Public exploit code
CVE Published
Jun 19, 2025 - 20:15 nvd
LOW 3.3

DescriptionCVE.org

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.

Analysis

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.

Vendor StatusVendor

Ubuntu

Priority: Medium
wabt
Release Status Version
focal needs-triage -
jammy needs-triage -
noble needs-triage -
plucky ignored end of life, was needs-triage
upstream needs-triage -
oracular ignored end of life, was needs-triage
questing needs-triage -

Debian

wabt
Release Status Fixed Version Urgency
bullseye vulnerable 1.0.20-1 -
bookworm vulnerable 1.0.32-1 -
forky, sid, trixie vulnerable 1.0.36+dfsg+~cs1.0.36-2 -
(unstable) fixed (unfixed) unimportant

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CVE-2025-6275 vulnerability details – vuln.today
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