CVE-2025-15412

LOW EPSS 7.6%
Published Jan 1, 20265mo ago · Modified Jun 17, 20261w ago
1.9 CVSS 4.0
Low
Find Similar
Published Jan 1, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

Description

A security vulnerability has been detected in WebAssembly wabt up to 1.0.39. This issue affects the function wabt::Decompiler::VarName of the file /src/repro/wabt/bin/wasm-decompile of the component wasm-decompile. Such manipulation leads to out-of-bounds read. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. Unfortunately, the project has no active maintainer at the moment. In a reply to the issue report somebody recommended to the researcher to provide a PR himself.

CVSS Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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

Threat Intelligence

EPSS Exploit Probability
7.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-125 Out-of-bounds Read Memory Safety

Affected Products 1

VendorProductVersionRange
webassemblywabt* ≤1.0.39

References 6

  • github.com https://github.com/WebAssembly/wabt/
  • github.com https://github.com/WebAssembly/wabt/issues/2678
    ExploitIssue TrackingVendor Advisory
  • github.com https://github.com/oneafter/1208/blob/main/af1
    Exploit
  • vuldb.com https://vuldb.com/?ctiid.339333
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.339333
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.719826
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.