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EPSS
| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| CVE-2025-62593KEVexploit ×2 | 9.4 critical | 60.0% | anyscale, ray | Ray is an AI compute engine. Prior to version 2.52.0, developers working with Ray as a development tool can be exploited via a critical RCE vulnerability exploitable via Firefox and Safari. This vulnerability is due to an insufficient guard against browser-based attacks, as the current defense uses the User-Agent header starting with the string "Mozilla" as a defense mechanism. This defense is insufficient as the fetch specification allows the User-Agent header to be modified. Combined with a DNS rebinding attack against the browser, and this vulnerability is exploitable against a developer running Ray who inadvertently visits a malicious website, or is served a malicious advertisement (malvertising). This issue has been patched in version 2.52.0. | 19 Oct |
| CVE-2011-3389exploit ×2 | 4.3 medium | 73.0% | google, microsoft, chrome, internet_explorer, firefox | The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera, and other products, encrypts data by using CBC mode with chained initialization vectors, which allows man-in-the-middle attackers to obtain plaintext HTTP headers via a blockwise chosen-boundary attack (BCBA) on an HTTPS session, in conjunction with JavaScript code that uses (1) the HTML5 WebSocket API, (2) the Java URLConnection API, or (3) the Silverlight WebClient API, aka a "BEAST" attack. | 9 Oct |
| CVE-2026-6770exploit | 6.5 medium | 4.0% | mozilla, firefox, thunderbird | Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | Mon 26 Oct |
| CVE-2026-12295exploit | 9.6 critical | 0.00% | mozilla, firefox, thunderbird | Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | Mon 26 Oct |
| CVE-2026-8389exploit | 8.8 high | 0.00% | mozilla, firefox | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3. | Mon 26 Oct |
| CVE-2026-8388exploit | 6.5 medium | 0.00% | mozilla, firefox | Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11. | Mon 26 Oct |
| CVE-2026-6765exploit | 5.3 medium | 0.00% | mozilla, firefox, thunderbird | Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | Mon 26 Oct |
| CVE-2016-0718 | 9.8 critical | 13.0% | mozilla, apple, firefox, mac_os_x, linux_enterprise_debuginfo | Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow. | 8 Oct |
| CVE-2023-4050 | 7.5 high | 13.0% | mozilla, debian, firefox, debian_linux | In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1. | Fri 23 Oct |
| CVE-2025-6424 | 9.8 critical | 8.0% | mozilla, firefox | A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12. | Fri 23 Oct |
| CVE-2016-9063 | 9.8 critical | 5.0% | mozilla, debian, firefox, debian_linux, python | An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50. | 8 Oct |
| CVE-2015-7575 | 5.9 medium | 3.0% | mozilla, opensuse, network_security_services, leap | Mozilla Network Security Services (NSS) before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof servers by triggering a collision. | 14 Oct |
| CVE-2017-5436 | 8.8 high | 2.0% | debian, redhat, debian_linux, enterprise_linux, enterprise_linux_desktop | An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font. This results in a potentially exploitable crash. This issue was fixed in the Graphite 2 library as well as Mozilla products. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53. | 16 Oct |
| CVE-2026-16367 | 10.0 critical | 1.0% | mozilla, firefox, thunderbird | Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2026-41512 | 9.9 critical | 1.0% | mozilla, 0din_scanner | ai-scanner is an AI model safety scanner built on NVIDIA garak. From version 1.0.0 to before version 1.4.1, there is a remote code execution vulnerability via JavaScript injection in `BrowserAutomation::PlaywrightService`. This issue has been patched in version 1.4.1. | Mon 26 Oct |
| CVE-2026-16360 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. 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 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16395 | 9.8 critical | 1.0% | mozilla, firefox | Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2026-16350 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16351 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16352 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16353 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16355 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16356 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16357 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16361 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Memory safety bugs present in Thunderbird ESR 140.12. 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 ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16363 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16368 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16369 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16377 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16382 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2026-16383 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | Sat 24 Oct |
| CVE-2026-16388 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2026-16389 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2026-16402 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2026-16407 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2026-16408 | 9.8 critical | 1.0% | mozilla, firefox | Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2026-16410 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2023-29531 | 9.8 critical | 1.0% | mozilla, firefox, firefox_esr, thunderbird | An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potentially exploitable crash. *This bug only affects Firefox and Thunderbird for macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10. | Sat 24 Oct |
| CVE-2023-34416 | 9.8 critical | 1.0% | mozilla, firefox, firefox_esr, thunderbird | Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. 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 ESR < 102.12, Firefox < 114, and Thunderbird < 102.12. | Sat 24 Oct |
| CVE-2025-11708 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4. | Fri 23 Oct |
| CVE-2023-29542 | 9.8 critical | 1.0% | mozilla, firefox, firefox_esr, thunderbird | A newline in a filename could have been used to bypass the file extension security mechanisms that replace malicious file extensions such as .lnk with .download. This could have led to accidental execution of malicious code. *This bug only affects Firefox and Thunderbird on Windows. Other versions of Firefox and Thunderbird are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10. | Fri 23 Oct |
| CVE-2025-49710 | 9.8 critical | 1.0% | mozilla, firefox | An integer overflow was present in `OrderedHashTable` used by the JavaScript engine. This vulnerability was fixed in Firefox 139.0.4. | Fri 23 Oct |
| CVE-2026-16412 | 9.8 critical | 1.0% | mozilla, firefox | Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. 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 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | 21 Oct |
| CVE-2026-16411 | 9.8 critical | 1.0% | mozilla, firefox | Memory safety bugs present in Thunderbird 152. 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 153 and Thunderbird 153. | 21 Oct |
| CVE-2026-8956 | 9.8 critical | 1.0% | mozilla, firefox, thunderbird | Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | 14 Oct |
| CVE-2026-8953 | 9.6 critical | 1.0% | mozilla, firefox, thunderbird | Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | 14 Oct |
| CVE-2026-16392 | 9.1 critical | 1.0% | mozilla, firefox, thunderbird | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2026-16393 | 9.1 critical | 1.0% | mozilla, firefox, thunderbird | Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | Sat 24 Oct |
| CVE-2023-0767 | 8.8 high | 1.0% | mozilla, firefox, firefox_esr, thunderbird | 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. | Sat 24 Oct |
| CVE-2023-23605 | 8.8 high | 1.0% | mozilla, firefox, firefox_esr, thunderbird | Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108 and Firefox ESR 102.6. 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 < 109, Firefox ESR < 102.7, and Thunderbird < 102.7. | Sat 24 Oct |
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EPSS scores: 2026-10-27. NVD cursor: 2026-10-28 21:20. The News page shows only notable CVEs (KEV, your stack, new criticals, EPSS over 50%, or active exploitation per SSVC); this table has all of them.