Vendor
Mozilla
2,559 known vulnerabilities.
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507 results · Clear filters · Feed
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Medium 6.3
Invalid pointer in the JavaScript: WebAssembly component
Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
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Medium 6.5
Mitigation bypass in the DOM: postMessage component
Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
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Medium 5.1
Use-After-Free and Double-Free in IntoIter::drop when element drop panics
Double-Free / Use-After-Free (UAF) in the `IntoIter::drop` and `ThinVec::clear` functions in the thin_vec crate. A panic in `ptr::drop_in_place` skips setting the length to zero.
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Medium 6.5
Spoofing issue in Thunderbird
Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.
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Medium 6.5
Spoofing issue in the Privacy: Anti-Tracking component
Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
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Medium 6.5
Same-origin policy bypass in the CSS Parsing and Computation component
Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2.
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Medium 4.3
Attacker-controlled content shown under spoofed domains in Focus for iOS via stalled navigation and iframe redirect
Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a _self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction. Th…
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Medium 5.4
Use-after-free in the JavaScript: WebAssembly component
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
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Medium 4.2
Race condition in the JavaScript: GC component
Race condition in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
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Medium 6.5
Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android
Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148.
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Medium 6.5
Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component
Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
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Medium 4.3
Interrupted page loads in new tabs could allow website spoofing under trusted domains in Firefox iOS
Malicious scripts that interrupt new tab page loading could cause desynchronization between the address bar and page content, allowing the attacker to spoof arbitrary HTML under a trusted domain. This vulnerability was fixed in Firefox for iOS 147.2.1.
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Medium 4.3
CSS-based exfiltration of the content from partially encrypted emails when allowing remote content
When a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email that was formatted and styled with HTML and CSS, then the decrypted contents were rendered in a context in which the CSS styles f…
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Medium 6.5
Mitigation bypass in the Privacy: Anti-Tracking component
Mitigation bypass in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 147.0.2.
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Medium 5.4
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
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Medium 5.3
Information disclosure in the XML component
Information disclosure in the XML component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
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Medium 5.3
Incorrect boundary conditions in the Graphics component
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
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Medium 4.3
Clickjacking issue, information disclosure in the PDF Viewer component
Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
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Medium 6.5
Use-after-free in the JavaScript: GC component
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
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Medium 5.3
Information disclosure in the Networking component
Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
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Medium 6.5
Filename spoofing via Unicode Right-to-Left Override in Firefox for iOS
Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability was fixed in Firefox for iOS 144.0.
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Medium 6.5
Same-origin policy bypass in the Request Handling component
Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
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Medium 5.5
Rhino vulnerable high CPU usage and potential DoS when passing specific numbers to toFixed() function
Rhino is an open-source implementation of JavaScript written entirely in Java. Prior to 1.8.1, 1.7.15.1, and 1.7.14.1, when an application passed an attacker controlled float poing number into the toFixed() function, it might lead to high CPU consumption and …
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Medium 6.1
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.
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Medium 6.5
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.
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Medium 6.5
Sandboxed iframes allowed links to open in external apps (Android only)
Links in a sandboxed iframe could open an external app on Android without the required "allow-" permission. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
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Medium 6.1
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 …
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Medium 6.5
Some non-writable Object properties could be modified
There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
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Medium 4.0
Data stored in cookies for non-HTML content while browsing Incognito could be viewed after closing private tabs
Cookie storage for non-HTML temporary documents was being shared incorrectly with normal browsing content, allowing information from private tabs to escape Incognito mode even after the user closed all tabs. This vulnerability was fixed in Firefox for iOS 143…
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Medium 6.5
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 vul…
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Medium 5.4
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.
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Medium 6.5
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.
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Medium 6.2
Information disclosure in the Networking: Cache component
Information disclosure in the Networking: Cache component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
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Medium 6.5
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.
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Medium 6.5
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.
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Medium 6.1
Drag and drop gestures in Focus for iOS could allow JavaScript links to be executed incorrectly
Dragging JavaScript links to the URL bar in Focus for iOS could be utilized to run malicious scripts, potentially resulting in XSS attacks. This vulnerability was fixed in Focus for iOS 142.
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Medium 6.1
Focus incorrectly ignores Content-Disposition headers for some MIME types
Focus for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline, potentially allowing for XSS attacks. This vulnerability was fixed in Focus for iOS 142.
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Medium 6.5
JavaScript alerts could impede UI interaction or allow denial of service attacks
Malicious scripts utilizing repetitive JavaScript alerts could prevent client user interaction in some scenarios and allow for denial of service attacks. This vulnerability was fixed in Firefox for iOS 142.
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Medium 6.1
Content-Disposition headers incorrectly ignored for some MIME types
Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline rather than downloading, potentially allowing for XSS attacks. This vulnerability was fixed in Firefox for iOS 142.
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Medium 5.4
Internal Firefox open-text URL scheme allowed loading of arbitrary URLs
The URL scheme used by Firefox to facilitate searching of text queries could incorrectly allow attackers to open arbitrary website URLs or internal pages if a user was tricked into clicking a link. This vulnerability was fixed in Firefox for iOS 141.