CVE-2026-100813

The Firefox web browser is affected by an invalid pointer vulnerability within the JavaScript Engine: JIT component . This flaw was addressed in Firefox 157 . No specific exploit details or in-the-wild exploitation information are provided in the documents.

CVE-2026-100793

The JavaScript Engine component in Thunderbird and Firefox is vulnerable to a JIT miscompilation issue. JIT (Just-In-Time) is a performance optimization method that compiles code during execution. This vulnerability impacts versions prior to 157 . To remediate this issue, users should update Thun...

EUVD-2026-88945

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 157...

CVE-2026-100793 JIT miscompilation in the JavaScript Engine component

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...

CVE-2026-100793 JIT miscompilation in the JavaScript Engine component

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...

CVE-2026-100793

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...

EUVD-2026-88944

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17...

CVE-2026-100792 JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17...

CVE-2026-100792

A JIT miscompilation vulnerability exists in the JavaScript: WebAssembly component of several Mozilla products. This flaw can be exploited remotely to achieve Arbitrary Code Execution (ACE) , Obtain Sensitive Information (OSI) , Denial of Service (DoS) , and Security Bypass (SB) . The vulnerabili...

CVE-2026-100792 JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17...

CVE-2026-100792

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17...

PT-2026-102599

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 153.4 Thunderbird versions prior to 157 Description A use-after-free issue exists within the JIT Just-In-Time component of the JavaScript Engine. A use-after-free occurs when an...

CVE-2026-100792: Access of Resource Using Incompatible Type

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17...

PT-2026-102587

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 157 Firefox versions prior to 157 Description An invalid pointer issue exists within the Just-In-Time JIT component of the JavaScript Engine. JIT is a method of improving program performance by compiling code duri...

CVE-2026-100814: Improper Restriction of Operations within the Bounds of a Memory Buffer

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

CVE-2026-100825: Use After Free

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

CVE-2026-100813: Release of Invalid Pointer or Reference

Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...

PT-2026-102566

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 153.4 Firefox ESR versions prior to 140.17 Thunderbird versions prior to 157 Description JIT miscompilation occurs in the JavaScript: WebAssembly component. JIT Just-In-Time compilati...

PT-2026-102588

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 153.4 Thunderbird versions prior to 157 Description Incorrect boundary conditions exist within the JIT Just-In-Time component of the JavaScript Engine. JIT is a method of improving...

CVE-2026-100793: Access of Resource Using Incompatible Type

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...