CVE-2025-15412
PUBLISHED 1/1/2026 1af790b2-7ee1-4545-860a-a788eba489b5
Technical 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.
Affected Products
WebAssembly
wabt
1.0.01.0.11.0.2
References
https://vuldb.com/?id.339333
VDB-339333 | WebAssembly wabt wasm-decompile VarName out-of-bounds
https://vuldb.com/?ctiid.339333
VDB-339333 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/?submit.719826
Submit #719826 | WebAssembly wabt 1.0.39 and master-branch Memory Corruption
https://github.com/WebAssembly/wabt/issues/2678
External Link
https://github.com/oneafter/1208/blob/main/af1
External Link
Impact Analysis
Attack Vector Network
Attack Complexity Low
Privileges Required None