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Mozilla FirefoxIncorrect boundary conditions in the Audio/Video: GMP component

Risk 66
Severity
9.1
First published (updated )
CVE-2026-16359

Mozilla FirefoxIncorrect boundary conditions in the Audio/Video: cubeb component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16350

Mozilla FirefoxJIT miscompilation in the JavaScript Engine: JIT component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16355

Mozilla FirefoxInformation disclosure in the Graphics: ImageLib component

Risk 43
Severity
7.5
First published (updated )
CVE-2026-16354

Mozilla FirefoxIncorrect boundary conditions in the JavaScript: WebAssembly component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16368
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Mozilla FirefoxInvalid pointer in the DOM: Bindings (WebIDL) component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16353

Mozilla FirefoxIncorrect boundary conditions in the Graphics component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16357

Mozilla FirefoxJIT miscompilation in the JavaScript: WebAssembly component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16363

Mozilla FirefoxInteger overflow in the JavaScript: WebAssembly component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16369

Mozilla FirefoxSandbox escape due to use-after-free in the Disability Access APIs component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16356
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Mozilla FirefoxMemory safety bugs fixed in Thunderbird ESR 140.13 and Thunderbird 153

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16360

Mozilla FirefoxSandbox escape due to use-after-free in the Disability Access APIs component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16352

Mozilla Firefox ESRMemory safety bugs fixed in Thunderbird ESR 140.13

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16361

Mozilla FirefoxSite isolation issue in the Graphics: WebRender component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16358

Mozilla FirefoxSandbox escape due to use-after-free in the DOM: Navigation component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16351
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Mozilla FirefoxUse-after-free in the WebRTC: Audio/Video component

Risk 77
Severity
8.8
First published (updated )
CVE-2026-16362

Mozilla FirefoxSame-origin policy bypass in the DOM: Navigation component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16349

Mozilla FirefoxPrivilege escalation in the DOM: Navigation component

Risk 77
Severity
8.8
First published (updated )
CVE-2026-16371

Mozilla FirefoxMitigation bypass in the PDF Viewer component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16377

Mozilla FirefoxMitigation bypass in the DOM: Networking component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16383
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Mozilla FirefoxPrivilege escalation in the DOM: Content Processes component

Risk 77
Severity
8.8
First published (updated )
CVE-2026-16379

Mozilla FirefoxSite isolation issue in the Networking: HTTP component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16375

Mozilla FirefoxInformation disclosure in the Storage: IndexedDB component

Risk 43
Severity
7.5
First published (updated )
CVE-2026-16391

Mozilla FirefoxSame-origin policy bypass in the Networking: DNS component

Risk 66
Severity
9.1
First published (updated )
CVE-2026-16381

Mozilla FirefoxSite isolation issue in the Networking component

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16387
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Mozilla FirefoxInformation disclosure in the Framework component in DevTools

Risk 43
Severity
7.5
First published (updated )
CVE-2026-16374

Mozilla FirefoxPrivilege escalation in WebExtensions

Risk 77
Severity
8.8
First published (updated )
CVE-2026-16396

Mozilla FirefoxMitigation bypass in the Enterprise Policies component

Risk 66
Severity
9.1
First published (updated )
CVE-2026-16390

Mozilla FirefoxMemory safety bugs fixed in Thunderbird ESR 140.13 and Thunderbird 153

Risk 86
Severity
9.8
First published (updated )
CVE-2026-16412

Mozilla FirefoxInformation disclosure in the Networking: WebSockets component

Risk 43
Severity
7.5
First published (updated )
CVE-2026-16405
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