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Mozilla Firefox1 vulnerability

Risk 33
Severity
7
First published (updated )
Advisory
MFSA2026-73

Information disclosure in Firefox for Android and Firefox Focus for Android

Risk 37
Severity
6.5
First published (updated )
CVE-2026-18809

Mozilla FirefoxInformation disclosure in the Networking: WebSockets component. This vulnerability was fixed in Fire…

Risk 5
Severity
1
First published (updated )
REDHAT-BUG-2503527

Mozilla FirefoxPrivilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153 and Firefox ESR 1…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503521

Mozilla FirefoxInteger Overflow

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503513

Mozilla FirefoxMitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and …

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503512
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Mozilla FirefoxInvalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503517

Mozilla FirefoxPrivilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefo…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503498

Mozilla FirefoxIncorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Fir…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503505

Mozilla FirefoxSame-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox …

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2503485

Mozilla Firefox ESRInformation disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox …

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503500
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Mozilla FirefoxPrivilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 a…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503497

Mozilla FirefoxUse After Free

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2503491

Mozilla FirefoxIncorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503489

Mozilla FirefoxUse After Free

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2503463

Mozilla FirefoxSite isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 1…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503472
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Mozilla FirefoxSite isolation issue in the Networking component. This vulnerability was fixed in Firefox 153 and Fi…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503473

Mozilla Firefox ESRMemory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2503432

Mozilla FirefoxMitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153 and Firef…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503454

Mozilla FirefoxJIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2503430

Mozilla FirefoxSame-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox …

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503434
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Mozilla FirefoxIncorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2503451

Mozilla FirefoxUse After Free

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2503444

Mozilla FirefoxJIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox …

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2503439

Mozilla FirefoxMitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153 …

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503415

Mozilla FirefoxSite isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153 …

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503423
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Mozilla FirefoxInformation disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox …

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503420

Mozilla FirefoxIncorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in F…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2503416

Mozilla FirefoxUse After Free

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2503425

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

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

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