Filtered by vendor Mozilla Subscriptions
Filtered by product Firefox Subscriptions
Total 3030 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2025-6433 1 Mozilla 1 Firefox 2025-10-30 9.8 Critical
If a user visited a webpage with an invalid TLS certificate, and granted an exception, the webpage was able to provide a WebAuthn challenge that the user would be prompted to complete. This is in violation of the WebAuthN spec which requires "a secure transport established without errors". This vulnerability affects Firefox < 140 and Thunderbird < 140.
CVE-2025-6432 1 Mozilla 1 Firefox 2025-10-30 8.6 High
When Multi-Account Containers was enabled, DNS requests could have bypassed a SOCKS proxy when the domain name was invalid or the SOCKS proxy was not responding. This vulnerability affects Firefox < 140 and Thunderbird < 140.
CVE-2025-6431 2 Google, Mozilla 2 Android, Firefox 2025-10-30 6.5 Medium
When a link can be opened in an external application, Firefox for Android will, by default, prompt the user before doing so. An attacker could have bypassed this prompt, potentially exposing the user to security vulnerabilities or privacy leaks in external applications. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140.
CVE-2025-6428 2 Google, Mozilla 2 Android, Firefox 2025-10-30 4.3 Medium
When a URL was provided in a link querystring parameter, Firefox for Android would follow that URL instead of the correct URL, potentially leading to phishing attacks. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140.
CVE-2025-6427 1 Mozilla 1 Firefox 2025-10-30 9.1 Critical
An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability affects Firefox < 140 and Thunderbird < 140.
CVE-2025-5272 1 Mozilla 2 Firefox, Thunderbird 2025-10-30 7.3 High
Memory safety bugs present in Firefox 138 and Thunderbird 138. 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 affects Firefox < 139 and Thunderbird < 139.
CVE-2025-5271 1 Mozilla 1 Firefox 2025-10-30 6.5 Medium
Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability affects Firefox < 139 and Thunderbird < 139.
CVE-2025-5270 1 Mozilla 1 Firefox 2025-10-30 7.5 High
In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability affects Firefox < 139 and Thunderbird < 139.
CVE-2025-6426 2 Apple, Mozilla 3 Macos, Firefox, Firefox Esr 2025-10-30 8.8 High
The executable file warning did not warn users before opening files with the `terminal` extension. *This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.
CVE-2025-11153 1 Mozilla 1 Firefox 2025-10-30 7.5 High
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 143.0.3.
CVE-2025-9186 2 Google, Mozilla 2 Android, Firefox 2025-10-30 6.5 Medium
Spoofing issue in the Address Bar component of Firefox Focus for Android. This vulnerability affects Firefox < 142.
CVE-2025-55031 2 Apple, Mozilla 5 Ios, Firefox, Firefox Focus and 2 more 2025-10-30 9.8 Critical
Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An attacker within Bluetooth range could have used this to trick the user into using their passkey to log the attacker's computer into the target account. This vulnerability affects Firefox for iOS < 142 and Focus for iOS < 142.
CVE-2025-9183 1 Mozilla 2 Firefox, Firefox Esr 2025-10-30 6.5 Medium
Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2.
CVE-2024-53975 1 Mozilla 1 Firefox 2025-10-28 5.4 Medium
Accessing a non-secure HTTP site that uses a non-existent port may cause the SSL padlock icon in the location URL bar to, misleadingly, appear secure. This vulnerability affects Firefox for iOS < 133.
CVE-2019-11707 2 Mozilla, Redhat 3 Firefox, Thunderbird, Enterprise Linux 2025-10-27 8.8 High
A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.
CVE-2019-11708 2 Mozilla, Redhat 3 Firefox, Thunderbird, Enterprise Linux 2025-10-27 10.0 Critical
Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing arbitrary code on the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.
CVE-2023-4863 10 Bandisoft, Bentley, Debian and 7 more 17 Honeyview, Seequent Leapfrog, Debian Linux and 14 more 2025-10-24 8.8 High
Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)
CVE-2023-5217 8 Apple, Debian, Fedoraproject and 5 more 15 Ipados, Iphone Os, Debian Linux and 12 more 2025-10-24 8.8 High
Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
CVE-2013-1690 6 Canonical, Debian, Mozilla and 3 more 17 Ubuntu Linux, Debian Linux, Firefox and 14 more 2025-10-22 8.8 High
Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted web site that triggers an attempt to execute data at an unmapped memory location.
CVE-2013-1675 5 Canonical, Debian, Mozilla and 2 more 20 Ubuntu Linux, Debian Linux, Firefox and 17 more 2025-10-22 6.5 Medium
Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 do not properly initialize data structures for the nsDOMSVGZoomEvent::mPreviousScale and nsDOMSVGZoomEvent::mNewScale functions, which allows remote attackers to obtain sensitive information from process memory via a crafted web site.