JLSEC-2026-1094 A vulnerability was detected in WebAssembly Binaryen up to 117. This issue affects the function...

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 explo...

CVE-2026-8257

A flaw was found in WebAssembly Binaryen. A local user can perform a manipulation within the IRBuilder::makeBrOn function of the src/wasm/wasm-ir-builder.cpp file, leading to a reachable assertion. This vulnerability can cause the program to crash, resulting in a denial of service DoS...

CVE-2026-8257

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 explo...

CVE-2026-8257 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 explo...

CVE-2026-8257

The CVE affects WebAssembly Binaryen up to 117, specifically the BrOn Parser component’s IRBuilder::makeBrOn in src/wasm/wasm-ir-builder.cpp. A reachable assertion can be triggered by manipulation in this function. Local attack vector; the exploit is public and may be used. A patch exists (hash: ...

CVE-2026-8257

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 explo...

CVE-2026-8257: Reachable 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 explo...

Binaryen 安全漏洞

Binaryen is a WebAssembly open-source compiler framework and toolchain library written in C++. There are security vulnerabilities in Binaryen 117 and earlier versions, which stem from a reach assertion issue in the IRBuilder::makeBrOn function in the BrOn Parser component...

PT-2026-39550

Name of the Vulnerable Software and Affected Versions WebAssembly Binaryen versions prior to 118 Description An issue exists in the BrOn Parser component within the IRBuilder::makeBrOn function of the src/wasm/wasm-ir-builder.cpp file. A specific manipulation can lead to a reachable assertion,...