CVE-2025-14956
low-risk
Published 2025-12-19
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.
Do I need to act?
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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10
Medium
LOCAL
/ LOW complexity
Affected Products (1)
Affected Vendors
References (8)
Issue Tracking
https://github.com/WebAssembly/binaryen/pull/8092
Not Applicable
https://github.com/oneafter/1204/blob/main/hbf
Permissions Required
https://vuldb.com/?ctiid.337592
Third Party Advisory
https://vuldb.com/?id.337592
Exploit
https://vuldb.com/?submit.717315
23
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal