CVE-2026-8391

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8391

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8391 Other issue in the JavaScript Engine component

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8391

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8391

The JavaScript Engine component in the Mozilla Firefox web browser and Thunderbird email client is affected by a vulnerability. The root cause is identified as insufficient input validation , which could allow a remote attacker to gain access to confidential data . Remediation is available in the...

CVE-2026-8389 JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389 JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

CVE-2026-8389

Mozilla Firefox is affected by a JIT miscompilation vulnerability in the JavaScript Engine: JIT component . The root cause involves compilation errors that allow for the execution of operations beyond buffer boundaries in memory. An attacker could exploit this to compromise the confidentiality, i...

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8388 Incorrect boundary conditions in the JavaScript Engine: JIT component

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8388 Incorrect boundary conditions in the JavaScript Engine: JIT component

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8388

The JavaScript Engine: JIT component in Firefox and Thunderbird is vulnerable to incorrect boundary conditions , which can lead to operations being executed outside of the memory buffer. This flaw could allow an attacker to gain access to confidential data and compromise data integrity . Remediat...

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

PT-2026-40020

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150.0.3 Description Incorrect boundary conditions exist in the Just-In-Time JIT component of the JavaScript Engine. JIT is a compilation method that improves performance by compiling bytecode into native machine code ...

PT-2026-40023

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150.0.3 Description An issue exists within the JavaScript Engine component...

CVE-2026-8391: Improper Input Validation

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...