Total
489 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2023-1945 | 1 Mozilla | 2 Firefox Esr, Thunderbird | 2026-10-24 | N/A | 6.5 MEDIUM |
| Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 102.10 and Firefox ESR < 102.10. | |||||
| CVE-2023-25732 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-24 | N/A | 8.8 HIGH |
| When encoding data from an <code>inputStream</code> in <code>xpcom</code> the size of the input being encoded was not correctly calculated potentially leading to an out of bounds memory write. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8. | |||||
| CVE-2023-0767 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-24 | N/A | 8.8 HIGH |
| 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. | |||||
| CVE-2023-23605 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-24 | N/A | 8.8 HIGH |
| 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. | |||||
| CVE-2023-25730 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-24 | N/A | 5.4 MEDIUM |
| A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8. | |||||
| CVE-2023-25735 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-24 | N/A | 8.8 HIGH |
| Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment resulting in a use-after-free after unwrapping the proxy. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8. | |||||
| CVE-2023-29545 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-24 | N/A | 6.5 MEDIUM |
| Similar to CVE-2023-28163, this time when choosing 'Save Link As', suggested filenames containing environment variable names would have resolved those in the context of the current user. *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. | |||||
| CVE-2023-29542 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2026-10-23 | N/A | 9.8 CRITICAL |
| 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. | |||||
| CVE-2023-29532 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2026-10-23 | N/A | 5.5 MEDIUM |
| A local attacker can trick the Mozilla Maintenance Service into applying an unsigned update file by pointing the service at an update file on a malicious SMB server. The update file can be replaced after the signature check, before the use, because the write-lock requested by the service does not work on a SMB server. *Note: This attack requires local system access and only affects Windows. Other operating systems are not affected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10. | |||||
| CVE-2023-29536 | 1 Mozilla | 5 Firefox, Firefox Esr, Firefox Mobile and 2 more | 2026-10-23 | N/A | 8.8 HIGH |
| An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruption, or a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10. | |||||
| CVE-2023-32211 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-23 | N/A | 6.5 MEDIUM |
| A type checking bug would have led to invalid code being compiled. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. | |||||
| CVE-2023-23601 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-23 | N/A | 6.5 MEDIUM |
| Navigations were being allowed when dragging a URL from a cross-origin iframe into the same tab which could lead to website spoofing attacks This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7. | |||||
| CVE-2023-25738 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2026-10-23 | N/A | 6.5 MEDIUM |
| Members of the <code>DEVMODEW</code> struct set by the printer device driver weren't being validated and could have resulted in invalid values which in turn would cause the browser to attempt out of bounds access to related variables.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8. | |||||
| CVE-2023-32207 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-23 | N/A | 8.8 HIGH |
| A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. | |||||
| CVE-2023-28163 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2026-10-23 | N/A | 6.5 MEDIUM |
| When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable names, Windows would have resolved those in the context of the current user. <br>*This bug only affects Firefox on Windows. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9. | |||||
| CVE-2023-32214 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2026-10-23 | N/A | 7.5 HIGH |
| Protocol handlers `ms-cxh` and `ms-cxh-full` could have been leveraged to trigger a denial of service. *Note: This attack only affects Windows. Other operating systems are not affected.* This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. | |||||
| CVE-2023-25746 | 1 Mozilla | 2 Firefox Esr, Thunderbird | 2026-10-23 | N/A | 8.8 HIGH |
| Memory safety bugs present in Firefox ESR 102.7. 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 Thunderbird < 102.8 and Firefox ESR < 102.8. | |||||
| CVE-2023-37207 | 2 Debian, Mozilla | 4 Debian Linux, Firefox, Firefox Esr and 1 more | 2026-10-23 | N/A | 6.5 MEDIUM |
| A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13. | |||||
| CVE-2023-29539 | 1 Mozilla | 5 Firefox, Firefox Esr, Firefox Mobile and 2 more | 2026-10-23 | N/A | 8.8 HIGH |
| When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to install malware. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10. | |||||
| CVE-2023-25744 | 1 Mozilla | 2 Firefox, Firefox Esr | 2026-10-23 | N/A | 8.8 HIGH |
| Mmemory safety bugs present in Firefox 109 and Firefox ESR 102.7. 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 < 110 and Firefox ESR < 102.8. | |||||