High severity · published Mar 17, 2025
CVE-2025-2368
WebAssembly wabt Malformed File binary-reader-interp.cc OnExport heap-based overflow
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
wabt · WebAssembly
1.0.36 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-2368
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-2368
Issue Tracking
https://github.com/WebAssembly/wabt/issues/2537
Exploit
https://github.com/WebAssembly/wabt/issues/2556
Exploit
https://github.com/WebAssembly/wabt/issues/2556#issue-2899598349
Issue Tracking
https://github.com/WebAssembly/wabt/pull/2541
Permissions Required
https://vuldb.com/?ctiid.299867
Third Party Advisory
https://vuldb.com/?id.299867
More from wabt
7.8
CVE-2025-15412
WebAssembly wabt wasm-decompile VarName out-of-bounds
7.8
CVE-2025-15411
WebAssembly wabt wasm-decompile InsertNode memory corruption
7.1
CVE-2026-90648
wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack
7.1
CVE-2022-43280
wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component OnReturnCallExpr->GetReturnCallDropKeepCount
7.1
CVE-2022-43282
wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component OnReturnCallIndirectExpr->GetReturnCallDropKeepCount