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Mozilla FirefoxInformation disclosure in the Graphics: ImageLib component

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

Mozilla FirefoxUse-after-free in the WebRTC: Audio/Video component

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

Mozilla FirefoxPrivilege escalation in the DOM: Navigation component

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

Mozilla FirefoxPrivilege escalation in the DOM: Content Processes component

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

Mozilla FirefoxInformation disclosure in the Storage: IndexedDB component

Risk 43
Severity
7.5
First published (updated )
CVE-2026-16391
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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 FirefoxInformation disclosure in the Networking: WebSockets component

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

Mozilla FirefoxMemory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR …

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2489248

Mozilla FirefoxSandbox escape in the DOM: Workers component. This vulnerability was fixed in Firefox 152, Firefox E…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2489207
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Mozilla FirefoxJIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, F…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2489212

Mozilla FirefoxMemory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2489210

Mozilla Firefox ESRMemory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefo…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2489218

Mozilla Firefox ESRMemory safety bug fixed in Firefox ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12.

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2489214

Mozilla Firefox ESR5 vulnerabilities

Risk 33
Severity
7
First published (updated )
Advisory
MFSA2026-59

Privilege escalation in the Graphics: WebRender component

Risk 77
Severity
8.8
First published (updated )
CVE-2026-12289

JIT miscompilation in the DOM: Core & HTML component

Risk 69
Severity
7.5
First published (updated )
CVE-2026-12299

Memory safety bug fixed in Thunderbird 152

Risk 59
Severity
8.1
First published (updated )
CVE-2026-12290

Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152

Risk 75
Severity
8.1
First published (updated )
CVE-2026-12328

Use-after-free in the Networking: HTTP component

Risk 77
Severity
8.8
First published (updated )
CVE-2026-12291
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Mozilla Firefox ESR14 vulnerabilities

Risk 33
Severity
7
First published (updated )
Advisory
MFSA2026-58

Privilege escalation in the Graphics: WebRender component

Risk 77
Severity
8.8
First published (updated )
CVE-2026-12289

JIT miscompilation in the DOM: Core & HTML component

Risk 69
Severity
7.5
First published (updated )
CVE-2026-12299

Memory safety bug fixed in Thunderbird 152

Risk 59
Severity
8.1
First published (updated )
CVE-2026-12290

Memory safety bug fixed in Thunderbird 152

Risk 43
Severity
7.5
First published (updated )
CVE-2026-12314

Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152

Risk 75
Severity
8.1
First published (updated )
CVE-2026-12328

Memory safety bug fixed in Thunderbird 152

Risk 43
Severity
7.5
First published (updated )
CVE-2026-12312

Use-after-free in the Networking: HTTP component

Risk 77
Severity
8.8
First published (updated )
CVE-2026-12291

Memory safety bugs fixed in Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152

Risk 75
Severity
8.1
First published (updated )
CVE-2026-12327

Memory safety bug fixed in Thunderbird 152

Risk 43
Severity
7.5
First published (updated )
CVE-2026-12310

Memory safety bug fixed in Thunderbird 152

Risk 43
Severity
7.5
First published (updated )
CVE-2026-12305

Incorrect boundary conditions in the Graphics: CanvasWebGL component

Risk 51
Severity
7.3
First published (updated )
CVE-2026-12324

Memory safety bug fixed in Thunderbird ESR 140.12

Risk 69
Severity
7.5
First published (updated )
CVE-2026-12329

Incorrect boundary conditions in the Web Audio component

Risk 59
Severity
8.1
First published (updated )
CVE-2026-12292

Memory safety bug fixed in Thunderbird 152

Risk 69
Severity
7.5
First published (updated )
CVE-2026-12298

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