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Search Results (344234 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2025-11719 2 Microsoft, Mozilla 3 Windows, Firefox, Thunderbird 2026-04-13 9.8 Critical
Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
CVE-2025-11718 2 Google, Mozilla 2 Android, Firefox 2026-04-13 6.5 Medium
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.
CVE-2025-11717 2 Google, Mozilla 2 Android, Firefox 2026-04-13 9.1 Critical
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.
CVE-2025-11716 2 Google, Mozilla 3 Android, Firefox, Thunderbird 2026-04-13 6.5 Medium
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.
CVE-2025-11715 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-13 8.8 High
Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
CVE-2025-11714 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-13 8.8 High
Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
CVE-2025-11713 2 Microsoft, Mozilla 4 Windows, Firefox, Firefox Esr and 1 more 2026-04-13 8.1 High
Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect the application when running on other operating systems. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
CVE-2025-11712 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-13 6.1 Medium
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.
CVE-2025-11711 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-13 6.5 Medium
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.
CVE-2025-11710 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-13 9.8 Critical
A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
CVE-2025-11709 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-13 9.8 Critical
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.
CVE-2025-11708 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-13 9.8 Critical
Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
CVE-2025-11153 1 Mozilla 1 Firefox 2026-04-13 7.5 High
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 143.0.3.
CVE-2025-11152 1 Mozilla 1 Firefox 2026-04-13 8.6 High
Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.
CVE-2025-10859 2 Apple, Mozilla 3 Ios, Firefox, Firefox For Ios 2026-04-13 4 Medium
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 143.1.
CVE-2025-10537 2 Mozilla, Redhat 4 Firefox, Firefox Esr, Thunderbird and 1 more 2026-04-13 8.8 High
Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. 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 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
CVE-2025-10536 2 Mozilla, Redhat 4 Firefox, Firefox Esr, Thunderbird and 1 more 2026-04-13 6.2 Medium
Information disclosure in the Networking: Cache component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
CVE-2025-10535 1 Mozilla 1 Firefox 2026-04-13 7.5 High
Information disclosure, mitigation bypass in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 143.
CVE-2025-10534 1 Mozilla 2 Firefox, Thunderbird 2026-04-13 8.1 High
Spoofing issue in the Site Permissions component. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
CVE-2025-10533 2 Mozilla, Redhat 4 Firefox, Firefox Esr, Thunderbird and 1 more 2026-04-13 8.8 High
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.