PT-2026-76131

Published

2026-07-31

·

Updated

2026-07-31

Description by

CVSS 3.1
7.1
High
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
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.
Exploitability
Fix
Vendors
Affected products
Related identifiers
JLSEC-2026-1092
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