Total
3029 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
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| CVE-2025-49709 | 1 Mozilla | 1 Firefox | 2025-06-16 | N/A | 9.8 CRITICAL |
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Certain canvas operations could have lead to memory corruption. This vulnerability affects Firefox < 139.0.4.
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| CVE-2025-49710 | 1 Mozilla | 1 Firefox | 2025-06-16 | N/A | 9.8 CRITICAL |
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An integer overflow was present in `OrderedHashTable` used by the JavaScript engine This vulnerability affects Firefox < 139.0.4.
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| CVE-2025-5020 | 1 Mozilla | 1 Firefox | 2025-06-13 | N/A | 4.3 MEDIUM |
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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 affects Firefox for iOS < 139.
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| CVE-2023-5758 | 1 Mozilla | 1 Firefox | 2025-06-12 | N/A | 6.1 MEDIUM |
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When opening a page in reader mode, the redirect URL could have caused attacker-controlled script to execute in a reflected Cross-Site Scripting (XSS) attack. This vulnerability affects Firefox for iOS < 119.
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| CVE-2024-0748 | 1 Mozilla | 1 Firefox | 2025-06-11 | N/A | 4.3 MEDIUM |
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A compromised content process could have updated the document URI. This could have allowed an attacker to set an arbitrary URI in the address bar or history. This vulnerability affects Firefox < 122.
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| CVE-2025-5272 | 1 Mozilla | 2 Firefox, Thunderbird | 2025-06-11 | N/A | 7.3 HIGH |
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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.
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| CVE-2025-5271 | 1 Mozilla | 1 Firefox | 2025-06-11 | N/A | 6.5 MEDIUM |
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Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability affects Firefox < 139 and Thunderbird < 139.
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| CVE-2025-5270 | 1 Mozilla | 1 Firefox | 2025-06-11 | N/A | 7.5 HIGH |
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In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability affects Firefox < 139 and Thunderbird < 139.
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| CVE-2025-5265 | 1 Mozilla | 1 Firefox | 2025-06-11 | N/A | 4.8 MEDIUM |
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Due to insufficient escaping of the ampersand 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 bug only affects Firefox for Windows. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
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| CVE-2024-0753 | 2 Debian, Mozilla | 4 Debian Linux, Firefox, Firefox Esr and 1 more | 2025-06-07 | N/A | 6.5 MEDIUM |
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In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
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| CVE-2024-0742 | 2 Debian, Mozilla | 4 Debian Linux, Firefox, Firefox Esr and 1 more | 2025-05-30 | N/A | 4.3 MEDIUM |
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It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp used to prevent input after page load. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
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| CVE-2024-0741 | 2 Debian, Mozilla | 4 Debian Linux, Firefox, Firefox Esr and 1 more | 2025-05-30 | N/A | 6.5 MEDIUM |
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An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
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| CVE-2023-32216 | 1 Mozilla | 1 Firefox | 2025-05-27 | N/A | 9.8 CRITICAL |
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Mozilla developers and community members Ronald Crane, Andrew McCreight, Randell Jesup and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 112. 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 < 113.
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| CVE-2023-32215 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-05-27 | N/A | 8.8 HIGH |
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Mozilla developers and community members Gabriele Svelto, Andrew Osmond, Emily McDonough, Sebastian Hengst, Andrew McCreight and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 112 and Firefox ESR 102.10. 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 < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
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| CVE-2023-32212 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-05-27 | N/A | 4.3 MEDIUM |
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An attacker could have positioned a `datalist` element to obscure the address bar. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
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| CVE-2024-0755 | 2 Debian, Mozilla | 4 Debian Linux, Firefox, Firefox Esr and 1 more | 2025-05-22 | N/A | 8.8 HIGH |
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Memory safety bugs present in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6. 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 < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
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| CVE-2024-0754 | 1 Mozilla | 1 Firefox | 2025-05-22 | N/A | 6.5 MEDIUM |
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Some WASM source files could have caused a crash when loaded in devtools. This vulnerability affects Firefox < 122.
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| CVE-2024-0749 | 2 Debian, Mozilla | 4 Debian Linux, Firefox, Firefox Esr and 1 more | 2025-05-22 | N/A | 4.3 MEDIUM |
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A phishing site could have repurposed an `about:` dialog to show phishing content with an incorrect origin in the address bar. This vulnerability affects Firefox < 122 and Thunderbird < 115.7.
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| CVE-2024-0747 | 2 Debian, Mozilla | 4 Debian Linux, Firefox, Firefox Esr and 1 more | 2025-05-22 | N/A | 6.5 MEDIUM |
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When a parent page loaded a child in an iframe with `unsafe-inline`, the parent Content Security Policy could have overridden the child Content Security Policy. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
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| CVE-2025-3608 | 1 Mozilla | 1 Firefox | 2025-05-21 | N/A | 6.5 MEDIUM |
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A race condition existed in nsHttpTransaction that could have been exploited to cause memory corruption, potentially leading to an exploitable condition. This vulnerability affects Firefox < 137.0.2.
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| CVE-2025-4085 | 1 Mozilla | 2 Firefox, Thunderbird | 2025-05-09 | N/A | 7.1 HIGH |
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An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate privileges. This vulnerability affects Firefox < 138 and Thunderbird < 138.
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| CVE-2025-4086 | 1 Mozilla | 2 Firefox, Thunderbird | 2025-05-09 | N/A | 6.5 MEDIUM |
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A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog.
*This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.* This vulnerability affects Firefox < 138 and Thunderbird < 138.
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| CVE-2025-4088 | 1 Mozilla | 2 Firefox, Thunderbird | 2025-05-09 | N/A | 6.5 MEDIUM |
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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 affects Firefox < 138 and Thunderbird < 138.
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| CVE-2025-4089 | 1 Mozilla | 2 Firefox, Thunderbird | 2025-05-09 | N/A | 5.1 MEDIUM |
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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 affects Firefox < 138 and Thunderbird < 138.
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| CVE-2025-4092 | 1 Mozilla | 2 Firefox, Thunderbird | 2025-05-09 | N/A | 6.5 MEDIUM |
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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 affects Firefox < 138 and Thunderbird < 138.
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| CVE-2023-6869 | 1 Mozilla | 1 Firefox | 2025-05-07 | N/A | 6.5 MEDIUM |
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A `<dialog>` element could have been manipulated to paint content outside of a sandboxed iframe. This could allow untrusted content to display under the guise of trusted content. This vulnerability affects Firefox < 121.
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| CVE-2023-6858 | 2 Debian, Mozilla | 4 Debian Linux, Firefox, Firefox Esr and 1 more | 2025-05-07 | N/A | 8.8 HIGH |
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Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
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| CVE-2024-1557 | 1 Mozilla | 1 Firefox | 2025-05-06 | N/A | 8.1 HIGH |
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Memory safety bugs present in Firefox 122. 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 < 123.
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| CVE-2023-34417 | 1 Mozilla | 1 Firefox | 2025-05-05 | N/A | 9.8 CRITICAL |
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Memory safety bugs present in Firefox 113. 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 < 114.
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| CVE-2023-0767 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-05-05 | N/A | 8.8 HIGH |
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An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
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| CVE-2023-5174 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2025-05-05 | N/A | 9.8 CRITICAL |
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If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-after-free and a potentially exploitable crash.
*This bug only affects Firefox on Windows when run in non-standard configurations (such as using `runas`). Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
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| CVE-2023-5168 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2025-05-01 | N/A | 9.8 CRITICAL |
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A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process.
*This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
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| CVE-2023-5175 | 1 Mozilla | 1 Firefox | 2025-05-01 | N/A | 9.8 CRITICAL |
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During process shutdown, it was possible that an `ImageBitmap` was created that would later be used after being freed from a different codepath, leading to a potentially exploitable crash. This vulnerability affects Firefox < 118.
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| CVE-2023-5176 | 2 Debian, Mozilla | 4 Debian Linux, Firefox, Firefox Esr and 1 more | 2025-05-01 | N/A | 9.8 CRITICAL |
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Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
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| CVE-2023-5172 | 1 Mozilla | 1 Firefox | 2025-05-01 | N/A | 9.8 CRITICAL |
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A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 118.
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| CVE-2024-3865 | 1 Mozilla | 1 Firefox | 2025-05-01 | N/A | 8.1 HIGH |
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Memory safety bugs present in Firefox 124. 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 < 125.
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| CVE-2024-4367 | 3 Debian, Mozilla, Open-xchange | 4 Debian Linux, Firefox, Thunderbird and 1 more | 2025-04-24 | N/A | 8.8 HIGH |
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A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
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| CVE-2007-5341 | 1 Mozilla | 1 Firefox | 2025-04-20 | 7.5 HIGH | 9.8 CRITICAL |
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Remote code execution in the Venkman script debugger in Mozilla Firefox before 2.0.0.8.
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| CVE-2022-22750 | 3 Apple, Microsoft, Mozilla | 3 Macos, Windows, Firefox | 2025-04-16 | N/A | 6.5 MEDIUM |
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By generally accepting and passing resource handles across processes, a compromised content process might have confused higher privileged processes to interact with handles that the unprivileged process should not have access to.<br>*This bug only affects Firefox for Windows and MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 96.
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| CVE-2022-22747 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 6.5 MEDIUM |
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After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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