Vulnerability Description
A vulnerability was determined in WebAssembly Binaryen up to 125. Affected by this issue is the function WasmBinaryReader::readExport of the file src/wasm/wasm-binary.cpp. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Patch name: 4f52bff8c4075b5630422f902dd92a0af2c9f398. It is recommended to apply a patch to fix this issue.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Webassembly | Binaryen | <= 125 |
Related Weaknesses (CWE)
References
- https://github.com/WebAssembly/binaryen/
- https://github.com/WebAssembly/binaryen/commit/4f52bff8c4075b5630422f902dd92a0afPatch
- https://github.com/WebAssembly/binaryen/issues/8089ExploitIssue TrackingThird Party Advisory
- https://github.com/WebAssembly/binaryen/pull/8092Issue Tracking
- https://github.com/oneafter/1204/blob/main/hbfNot Applicable
- https://vuldb.com/?ctiid.337592Permissions RequiredVDB Entry
- https://vuldb.com/?id.337592Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.717315ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2025-14956?
CVE-2025-14956 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A vulnerability was determined in WebAssembly Binaryen up to 125. Affected by this issue is the function WasmBinaryReader::readExport of the file src/wasm/wasm-binary.cpp. This manipulation causes hea...
How severe is CVE-2025-14956?
CVE-2025-14956 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-14956?
Check the references section above for vendor advisories and patch information. Affected products include: Webassembly Binaryen.