Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Firefox
Total 2888 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2025-54143 1 Mozilla 1 Firefox 2025-08-21 N/A 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 affects Firefox for iOS < 141.
CVE-2025-54144 1 Mozilla 1 Firefox 2025-08-21 N/A 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 affects Firefox for iOS < 141.
CVE-2025-54145 1 Mozilla 1 Firefox 2025-08-21 N/A 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 affects Firefox for iOS < 141.
CVE-2025-55028 1 Mozilla 1 Firefox 2025-08-21 N/A 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 affects Firefox for iOS < 142.
CVE-2025-55029 1 Mozilla 1 Firefox 2025-08-21 N/A 7.5 HIGH
Malicious scripts could bypass the popup blocker to spam new tabs, potentially resulting in denial of service attacks This vulnerability affects Firefox for iOS < 142.
CVE-2025-55030 1 Mozilla 1 Firefox 2025-08-21 N/A 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 affects Firefox for iOS < 142.
CVE-2025-55031 1 Mozilla 2 Firefox, Firefox Focus 2025-08-21 N/A 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-2025-8364 2 Google, Mozilla 2 Android, Firefox 2025-08-21 N/A 4.3 MEDIUM
A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 141.
CVE-2025-9179 1 Mozilla 2 Firefox, Thunderbird 2025-08-21 N/A 9.8 CRITICAL
An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.
CVE-2025-9180 1 Mozilla 2 Firefox, Thunderbird 2025-08-21 N/A 8.1 HIGH
'Same-origin policy bypass in the Graphics: Canvas2D component.' This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.
CVE-2025-9181 1 Mozilla 2 Firefox, Thunderbird 2025-08-21 N/A 6.5 MEDIUM
Uninitialized memory in the JavaScript Engine component. This vulnerability affects Firefox < 142, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.
CVE-2025-9182 1 Mozilla 2 Firefox, Thunderbird 2025-08-21 N/A 7.5 HIGH
'Denial-of-service due to out-of-memory in the Graphics: WebRender component.' This vulnerability affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2.
CVE-2025-9183 1 Mozilla 1 Firefox 2025-08-21 N/A 6.5 MEDIUM
Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2.
CVE-2025-9184 1 Mozilla 2 Firefox, Thunderbird 2025-08-21 N/A 8.1 HIGH
Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2.
CVE-2025-9185 1 Mozilla 2 Firefox, Thunderbird 2025-08-21 N/A 8.1 HIGH
Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.
CVE-2025-9186 1 Mozilla 1 Firefox 2025-08-21 N/A 6.5 MEDIUM
Spoofing issue in the Address Bar component of Firefox Focus for Android. This vulnerability affects Firefox < 142.
CVE-2025-9187 1 Mozilla 2 Firefox, Thunderbird 2025-08-21 N/A 9.8 CRITICAL
Memory safety bugs present in Firefox 141 and Thunderbird 141. 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 < 142 and Thunderbird < 142.
CVE-2025-8031 1 Mozilla 2 Firefox, Thunderbird 2025-08-15 N/A 9.8 CRITICAL
The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
CVE-2025-8040 1 Mozilla 2 Firefox, Thunderbird 2025-07-30 N/A 8.8 HIGH
Memory safety bugs present in Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.
CVE-2025-8038 1 Mozilla 2 Firefox, Thunderbird 2025-07-30 N/A 9.8 CRITICAL
Firefox ignored paths when checking the validity of navigations in a frame. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.