CVE-2025-15411CWE-119

CVE-2025-15411

Medium · published January 2, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
10.3
In the wild
Unconfirmed
What it is

A weakness has been identified in WebAssembly wabt up to 1.0.39. This vulnerability affects the function wabt::AST::InsertNode of the file /src/repro/wabt/bin/wasm-decompile of the component wasm-decompile. This manipulation causes memory corruption. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. 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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00208 · 10.3th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2026-01-02T01:15Z
Affected products (1)
ProductVersionsFixed in
webassembly/wabt≤ 1.0.39—
References (7)
EPSS history
Timeline
  • 01 JAN 19:32Z
    WebAssembly wabt wasm-decompile InsertNode memory corruption
    cvelistv5