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...

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...

PT-2026-102591

Other issue in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 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-2026-97711: Improper Neutralization of Input During Web Page Generation

Serialize JavaScript serializes JavaScript values to a superset of JSON that includes regular expressions and functions. From 7.1.1 until 7.1.2, function values serialized by serialize-javascript are not fully protected against script-closing tags in attacker-influenced function source because...

PT-2026-102671

Name of the Vulnerable Software and Affected Versions serialize-javascript versions 7.1.1 through 7.1.1 Description serialize-javascript converts JavaScript values into a JSON superset that includes functions and regular expressions. A flaw exists where function values are not fully protected...

CVE-2026-102830: Improper Neutralization of Input During Web Page Generation

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 3.0.0 until 4.5.11 and 4.6.4, and in JupyterLite Core 0.8.3 and earlier, the Plural-Forms header in a selected third-party language pack can append...

PT-2026-102444

Name of the Vulnerable Software and Affected Versions pbkdf2 versions prior to 3.1.7 Description The JavaScript fallback in lib/sync.js re-hashes passwords that exceed the digest's block size 64 bytes, or 128 bytes for sha384 and sha512 during every iteration. This occurs because the password is...

PT-2026-102423

Name of the Vulnerable Software and Affected Versions GestSup versions prior to 3.2.62 Description Stored cross-site scripting exists in the IMAP OAuth connector. The issue occurs because MIME-encoded email subjects are double-decoded after HTML escaping. Unauthenticated attackers can send crafte...

PT-2026-102905

An attacker can construct a request that, if issued by another application user, will cause JavaScript code supplied by the attacker to execute within the user's browser in the context of that user's session with the application...

CVE-2026-100769: 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...

PT-2026-102562

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 An invalid pointer issue exists within the JavaScript: WebAssembly component. WebAssembly is a...

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...