Back
CVE-2025-15411
WebAssembly wabt wasm-decompile InsertNode memory corruption
Medium4.8EPSS 0.21%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium4.8 | 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 |
| VulDBCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 3.0 | Medium5.3 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | Medium4.3 | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Modified | 4.0 | Low1.9 | 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 |
- EPSS (exploitation in 30 days)
- 0.21% · top 89% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Weakness
Affected products
- affected 1.0.0
- affected 1.0.1
- affected 1.0.2
- affected 1.0.3
- affected 1.0.4
- affected 1.0.5
- affected 1.0.6
- affected 1.0.7
- affected 1.0.8
- affected 1.0.9
- affected 1.0.10
- affected 1.0.11
- affected 1.0.12
- affected 1.0.13
- affected 1.0.14
- affected 1.0.15
- affected 1.0.16
- affected 1.0.17
- affected 1.0.18
- affected 1.0.19
- affected 1.0.20
- affected 1.0.21
- affected 1.0.22
- affected 1.0.23
- affected 1.0.24
- affected 1.0.25
- affected 1.0.26
- affected 1.0.27
- affected 1.0.28
- affected 1.0.29
- affected 1.0.30
- affected 1.0.31
- affected 1.0.32
- affected 1.0.33
- affected 1.0.34
- affected 1.0.35
- affected 1.0.36
- affected 1.0.37
- affected 1.0.38
- affected 1.0.39
References (7)
- VDB-339332 | WebAssembly wabt wasm-decompile InsertNode memory corruption (opens in a new tab)vdb-entrytechnical-description
- VDB-339332 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #719825 | WebAssembly wabt 1.0.39 and master-branch Heap-based Buffer Overflow (opens in a new tab)third-party-advisory
- Submit #736404 | WebAssembly wabt 1.0.39 and master-branch Use After Free (Duplicate) (opens in a new tab)third-party-advisory
- https://github.com/WebAssembly/wabt/issues/2679 (opens in a new tab)issue-tracking
- https://github.com/oneafter/1208/blob/main/af1 (opens in a new tab)exploit
- https://github.com/WebAssembly/wabt/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-15411)Record last updated .