VULNERABILITY INTELLIGENCE

CVE-2025-14956

CVSS score5.3 MEDIUM

EPSS probability0.21%

CISA KEVNot currently listed

Published2025-12-19

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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.

Weakness classification

cna@vuldb.com: CWE-119
nvd@nist.gov: CWE-125

Primary references

cna@vuldb.com
cna@vuldb.com — Patch
cna@vuldb.com — Exploit, Issue Tracking, Third Party Advisory
cna@vuldb.com — Issue Tracking
cna@vuldb.com — Not Applicable
cna@vuldb.com — Permissions Required, VDB Entry
cna@vuldb.com — Third Party Advisory, VDB Entry
cna@vuldb.com — Exploit, Third Party Advisory, VDB Entry