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Search Results (344255 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2025-5264 2 Mozilla, Redhat 7 Firefox, Enterprise Linux, Rhel Aus and 4 more 2026-04-13 4.8 Medium
Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
CVE-2025-5263 2 Mozilla, Redhat 7 Firefox, Enterprise Linux, Rhel Aus and 4 more 2026-04-13 4.3 Medium
Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
CVE-2025-5020 1 Mozilla 1 Firefox 2026-04-13 4.3 Medium
Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client. This vulnerability was fixed in Firefox for iOS 139.
CVE-2025-55033 2 Apple, Mozilla 3 Ios, Firefox Focus, Focus For Ios 2026-04-13 6.1 Medium
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.
CVE-2025-55032 2 Apple, Mozilla 3 Ios, Firefox Focus, Focus For Ios 2026-04-13 6.1 Medium
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.
CVE-2025-55031 2 Apple, Mozilla 5 Ios, Firefox, Firefox Focus and 2 more 2026-04-13 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 was fixed in Firefox for iOS 142 and Focus for iOS 142.
CVE-2025-55030 2 Apple, Mozilla 3 Ios, Firefox, Firefox For Ios 2026-04-13 6.1 Medium
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.
CVE-2025-55029 2 Apple, Mozilla 3 Ios, Firefox, Firefox For Ios 2026-04-13 7.5 High
Malicious scripts could bypass the popup blocker to spam new tabs, potentially resulting in denial of service attacks. This vulnerability was fixed in Firefox for iOS 142.
CVE-2025-55028 2 Apple, Mozilla 3 Ios, Firefox, Firefox For Ios 2026-04-13 6.5 Medium
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.
CVE-2025-54145 2 Apple, Mozilla 3 Ios, Firefox, Firefox For Ios 2026-04-13 9.1 Critical
The QR scanner could allow arbitrary websites to be opened if a user was tricked into scanning a malicious link that leveraged Firefox's open-text URL scheme. This vulnerability was fixed in Firefox for iOS 141.
CVE-2025-54144 2 Apple, Mozilla 3 Ios, Firefox, Firefox For Ios 2026-04-13 5.4 Medium
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.
CVE-2025-54143 2 Apple, Mozilla 3 Ios, Firefox, Firefox For Ios 2026-04-13 9.8 Critical
Sandboxed iframes on webpages could potentially allow downloads to the device, bypassing the expected sandbox restrictions declared on the parent page. This vulnerability was fixed in Firefox for iOS 141.
CVE-2025-4919 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-13 8.8 High
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.
CVE-2025-4918 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-13 9.8 Critical
An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.
CVE-2025-4093 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-13 8.1 High
Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.10 and Thunderbird 128.10.
CVE-2025-4092 1 Mozilla 2 Firefox, Thunderbird 2026-04-13 6.5 Medium
Memory safety bugs present in Firefox 137 and Thunderbird 137. 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 138 and Thunderbird 138.
CVE-2025-4091 2 Mozilla, Redhat 8 Firefox, Thunderbird, Enterprise Linux and 5 more 2026-04-13 8.1 High
Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. 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 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10.
CVE-2025-4090 1 Mozilla 2 Firefox, Thunderbird 2026-04-13 5.3 Medium
A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat. This vulnerability was fixed in Firefox 138 and Thunderbird 138.
CVE-2025-4089 1 Mozilla 2 Firefox, Thunderbird 2026-04-13 5.1 Medium
Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability was fixed in Firefox 138 and Thunderbird 138.
CVE-2025-4088 1 Mozilla 2 Firefox, Thunderbird 2026-04-13 6.5 Medium
A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site that had invoked the Storage Access API. This enabled potential Cross-Site Request Forgery attacks across origins. This vulnerability was fixed in Firefox 138 and Thunderbird 138.