Riskcovery

CVE-2025-15412

WebAssembly wabt wasm-decompile VarName out-of-bounds

State
Published
Severity
4.8 Medium
Published
Jan 1, 2026
Updated
Feb 23, 2026
Reserved
Jan 1, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.04.8 MediumCVSS: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:PVulDB
3.15.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RVulDB
3.05.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RVulDB
2.04.3 MediumAV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:URVulDB

Weaknesses

Affected Products

ProductVersions
wabtWebAssembly
  • 1.0.0Affected
  • 1.0.1Affected
  • 1.0.2Affected
  • 1.0.3Affected
  • 1.0.4Affected
  • 1.0.5Affected
  • 1.0.6Affected
  • 1.0.7Affected
  • 1.0.8Affected
  • 1.0.9Affected
  • 1.0.10Affected
  • 1.0.11Affected
  • 1.0.12Affected
  • 1.0.13Affected
  • 1.0.14Affected
  • 1.0.15Affected
  • 1.0.16Affected
  • 1.0.17Affected
  • 1.0.18Affected
  • 1.0.19Affected
  • 1.0.20Affected
  • 1.0.21Affected
  • 1.0.22Affected
  • 1.0.23Affected
  • 1.0.24Affected
  • and 15 more versions

References

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