CVE-2025-10533

Integer overflow in the SVG component

Integer overflow in the SVG component. This vulnerability was fixed in Firefox 143, Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Mozilla Redhat

Products

Firefox Firefox Esr Thunderbird and 1 more

CVE-2025-10527

Sandbox escape due to use-after-free in the Graphics: Canvas2D component

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

Mozilla Redhat

Products

Firefox Firefox Esr Thunderbird and 1 more

CVE-2025-10528

Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component

Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed

Vendors

Mozilla Redhat

Products

Firefox Firefox Esr Thunderbird and 1 more

CVE-2025-10529

Same-origin policy bypass in the Layout component

Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Mozilla Redhat

Products

Firefox Firefox Esr Thunderbird and 1 more

CVE-2025-10532

Incorrect boundary conditions in the JavaScript: GC component

Incorrect boundary conditions in the JavaScript: GC component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Mozilla Redhat

Products

Firefox Firefox Esr Thunderbird and 1 more

CVE-2025-10530

Spoofing issue in the WebAuthn component in Firefox for Android

Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox Thunderbird

CVE-2025-10531

Mitigation bypass in the Web Compatibility: Tooling component

Mitigation bypass in the Web Compatibility: Tooling component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox Thunderbird

CVE-2025-10535

Information disclosure, mitigation bypass in the Privacy component in Firefox for Android

Information disclosure, mitigation bypass in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 143.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox

CVE-2025-10290

Opening links via the contextual menu in Focus for iOS would not update the toolbar UI correctly, allowing attackers to spoof websites

Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a long-press. This vulnerability was fixed in Focus for iOS 143.0.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Apple Mozilla

Products

Ios Firefox Focus Focus For Ios

CVE-2025-11152

Sandbox escape due to integer overflow in the Graphics: Canvas2D component

Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox

CVE-2025-11709

Out of bounds read/write in a privileged process triggered by WebGL textures

A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox Firefox Esr Thunderbird

CVE-2025-11712

An OBJECT tag type attribute overrode browser behavior on web resources without a content-type

A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox Firefox Esr Thunderbird

CVE-2025-11717

The password edit screen was not hidden in Android card view

When switching between Android apps using the card carousel Firefox shows a black screen as its card image when a password-related screen was the last one being used. Prior to Firefox 144 the password edit screen was visible. This vulnerability was fixed in Firefox 144.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed

Vendors

Google Mozilla

Products

Android Firefox

CVE-2025-11718

Address bar could be spoofed on Android using visibilitychange

When the address bar was hidden due to scrolling on Android, a malicious page could create a fake address bar to fool the user in response to a visibilitychange event. This vulnerability was fixed in Firefox 144.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Google Mozilla

Products

Android Firefox

CVE-2025-13013

Mitigation bypass in the DOM: Core & HTML component

Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox Firefox Esr

CVE-2025-13015

Spoofing issue in Firefox

Spoofing issue in Firefox. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, and Firefox ESR 115.30.

CVSS 3.1 · 3.4 Low EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox Firefox Esr

CVE-2025-13021

Incorrect boundary conditions in the Graphics: WebGPU component

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox

CVE-2025-13022

Incorrect boundary conditions in the Graphics: WebGPU component

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox

CVE-2025-13024

JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox

CVE-2025-13027

Memory safety bugs fixed in Firefox 145 and Thunderbird 145

Memory safety bugs present in Firefox 144 and Thunderbird 144. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed

Vendors

Mozilla

Products

Firefox Thunderbird