Alon Zakai

3 exploits Active since Dec 2025
CVE-2026-8257 WRITEUP LOW WRITEUP
WebAssembly Binaryen BrOn wasm-ir-builder.cpp makeBrOn assertion
A vulnerability was detected in WebAssembly Binaryen up to 117. This issue affects the function IRBuilder::makeBrOn of the file src/wasm/wasm-ir-builder.cpp of the component BrOn Parser. Performing a manipulation results in reachable assertion. The attack needs to be approached locally. The exploit is now public and may be used. The patch is named 1251efbc1ea471c1311d2726b2bbe061ff2a291c. It is suggested to install a patch to address this issue.
CVSS 3.3
CVE-2025-14956 WRITEUP MEDIUM WRITEUP
WebAssembly Binaryen < 125 - Heap-Based Buffer Overflow in WasmBinaryReader::readExport
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 5.3
CVE-2025-14957 WRITEUP LOW WRITEUP
WebAssembly Binaryen < 125 - Null Pointer Dereference in IRBuilder Local Access Functions
A vulnerability was identified in WebAssembly Binaryen up to 125. This affects the function IRBuilder::makeLocalGet/IRBuilder::makeLocalSet/IRBuilder::makeLocalTee of the file src/wasm/wasm-ir-builder.cpp of the component IRBuilder. Such manipulation of the argument Index leads to null pointer dereference. Local access is required to approach this attack. The exploit is publicly available and might be used. The name of the patch is 6fb2b917a79578ab44cf3b900a6da4c27251e0d4. Applying a patch is advised to resolve this issue.
CVSS 3.3