WebAssembly wabt Malformed File binary-reader-interp.cc OnExport heap-based overflow
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.
Summary
A vulnerability was found in WebAssembly wabt 1.0.36 and classified as critical. This issue affects the function wabt::interp::(anonymous namespace)::BinaryReaderInterp::OnExport of the file wabt/src/interp/binary-reader-interp.cc of the component Malformed File Handler. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| WebAssembly | wabt | 1.0.36 | — | No fix listed | CNA |
- wabt VendorWebAssembly Affected 1.0.36 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:webassembly:wabt:1.0.36:*:*:*:*:*:*:* | 1.0.36 | Vulnerable | WebAssembly |
- cpe:2.3:a:webassembly:wabt:1.0.36:*:*:*:*:*:*:* Versions 1.0.36 Vulnerable ·WebAssembly
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix planned: Out of support scope |
Not affected: 2 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-2368
- 2026-10-03 Alias added: GHSA-rqch-2mmw-28wc
References
More WebAssembly Wabt vulnerabilities
- TI-2022-21123 wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component… CVSS 3.1HIGH 7.1
- TI-2022-21125 wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component… CVSS 3.1HIGH 7.1
- TI-2023-11935 WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::Decompiler::WrapChild. CVSS 3.1MEDIUM 5.5
- TI-2022-21126 wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write. CVSS 3.1MEDIUM 5.5
- TI-2025-14056 WebAssembly wabt wasm-decompile VarName out-of-bounds CVSS 4.0MEDIUM 4.8
- TI-2025-14055 WebAssembly wabt wasm-decompile InsertNode memory corruption CVSS 4.0MEDIUM 4.8
Sources
- CVE-2025-2368 · CVE Program
- CVE-2025-2368 · NVD
- FIRST EPSS
- GHSA-rqch-2mmw-28wc · GitHub Advisory Database · CC BY 4.0
- CVE-2025-2368 · Red Hat security data · CC BY 4.0
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