CVE-2026-8390 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8390

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8390

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8390 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8390

Mozilla Firefox is vulnerable to a use-after-free memory corruption flaw in the JavaScript: WebAssembly component. The vulnerability occurs because the component responsible for releasing memory experiences confusion in its instructions, allowing memory to be used after it has been freed. A remot...

SUSE 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...

PT-2026-40101

JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, the upload wasm MCP tool accepted a filesystem path from the agent and uploaded whatever bytes the path resolved to, with no validation of location, symlink target, file size, or file format. This vulnerability i...

Mozilla Firefox < 150.0.3

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 150.0.3. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-45 advisory. - Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3...

PT-2026-40022

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150.0.3 Description A use-after-free issue exists in the JavaScript: WebAssembly component. Use-after-free is a memory corruption flaw that occurs when an application continues to use a pointer after it has been freed...

Security Vulnerabilities fixed in Firefox 150.0.3 — Mozilla

CVE-2026-8388: Incorrect boundary conditions in the JavaScript Engine: JIT component Reporter ggwhyp Impact high References Bug 2036978 CVE-2026-8389: JIT miscompilation in the JavaScript Engine: JIT component Reporter ggwhyp Impact high References Bug 2036983 CVE-2026-8390: Use-after-free in the...

Mozilla Firefox 安全漏洞

Mozilla Firefox is an open-source web browser developed by the Mozilla Foundation in the United States. Versions of Mozilla Firefox prior to 150.0.3 contained a security vulnerability, which was caused by the reuse of the JavaScript: WebAssembly component after it was released...

CVE-2026-8390: Use After Free

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

Mozilla Firefox < 150.0.3

The version of Firefox installed on the remote Windows host is prior to 150.0.3. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-45 advisory. - Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3. CVE-2026-8401 -...

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...

EUVD-2026-29013

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...

DEBIAN-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

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...

UBUNTU-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...

firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Invalid pointer in the JavaScript: WebAssembly component...

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...