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...

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...

PT-2026-102539

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 in the JavaScript: WebAssembly component. Use-after-free is a memory corruption flaw that occurs when...

PT-2026-102543

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 A use-after-free issue exists in the JavaScript: WebAssembly component. Use-after-free is a...

PT-2026-102550

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 A use-after-free issue exists in the JavaScript: WebAssembly component. Use-after-free is a...

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...

CVE-2026-100776: Use After Free

Use-after-free 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-2026-100788: Access of Uninitialized Pointer

Invalid pointer 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: 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...

Linux Distros Unpatched Vulnerability : CVE-2026-101912

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.7.1, the isInSubnet and isHostInSubnet methods in...

CVE-2026-102414

pbkdf2 through 3.1.6 re-hashes passwords longer than the digest's block size on every iteration in its JavaScript fallback lib/sync.js. A password longer than the block size 64 bytes, or 128 bytes for sha384 and sha512 is passed to HMAC as the key on every iteration, and HMAC hashes such keys in...

A Function-Level Dataset of Vulnerable and Fixed Source Code in JavaScript and TypeScript

JavaScript and TypeScript are widely used in modern web development, making their security critical; however, automated vulnerability detection is often constrained by the availability of high-quality training data. Here we present JsVul, a dataset curated from seven major sources. Unlike generic...

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...

CVE-2026-100796: Use After Free

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...

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...

PT-2026-102570

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Thunderbird versions prior to 157 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...

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...

PT-2026-102567

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

CVE-2026-100817: Undefined Security Weakness

Other issue in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157...

CVE-2026-100765: Use After Free

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