Total
490 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| 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-2024-0749 | 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-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-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-2023-5176 | 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-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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| CVE-2022-22744 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2025-04-16 | N/A | 8.8 HIGH |
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The constructed curl command from the "Copy as curl" feature in DevTools was not properly escaped for PowerShell. This could have lead to command injection if pasted into a Powershell prompt.<br>*This bug only affects Thunderbird for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22743 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 4.3 MEDIUM |
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When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22742 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 6.5 MEDIUM |
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When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22741 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 7.5 HIGH |
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When resizing a popup while requesting fullscreen access, the popup would have become unable to leave fullscreen mode. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22740 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 8.8 HIGH |
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Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22739 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 6.5 MEDIUM |
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Malicious websites could have tricked users into accepting launching a program to handle an external URL protocol. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-1802 | 2 Google, Mozilla | 4 Android, Firefox, Firefox Esr and 1 more | 2025-04-16 | N/A | 8.8 HIGH |
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If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of attacker-controlled JavaScript code in a privileged context. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
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| CVE-2022-1529 | 2 Google, Mozilla | 4 Android, Firefox, Firefox Esr and 1 more | 2025-04-16 | N/A | 8.8 HIGH |
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An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
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| CVE-2022-1196 | 1 Mozilla | 2 Firefox Esr, Thunderbird | 2025-04-16 | N/A | 6.5 MEDIUM |
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After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8 and Firefox ESR < 91.8.
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| CVE-2022-1097 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 6.5 MEDIUM |
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<code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
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| CVE-2021-4140 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 10.0 CRITICAL |
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It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2021-4129 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 9.8 CRITICAL |
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Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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 < 95, Firefox ESR < 91.4.0, and Thunderbird < 91.4.0.
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| CVE-2021-4127 | 1 Mozilla | 2 Firefox Esr, Thunderbird | 2025-04-16 | N/A | 9.8 CRITICAL |
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An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.
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| CVE-2022-26384 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 9.6 CRITICAL |
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If an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code> but not <code>allow-scripts</code>, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
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| CVE-2022-26383 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 4.3 MEDIUM |
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When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
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| CVE-2022-26381 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 8.8 HIGH |
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An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
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| CVE-2022-22764 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 8.8 HIGH |
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Mozilla developers Paul Adenot and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96 and Firefox ESR 91.5. 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 < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
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| CVE-2022-22763 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 8.8 HIGH |
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When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it should not be possible. This vulnerability affects Firefox < 96, Thunderbird < 91.6, and Firefox ESR < 91.6.
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| CVE-2022-22761 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 8.8 HIGH |
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Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
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| CVE-2022-22760 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 6.5 MEDIUM |
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When importing resources using Web Workers, error messages would distinguish the difference between <code>application/javascript</code> responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
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| CVE-2022-22759 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 9.6 CRITICAL |
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If a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently appended an element to the iframe's document that e.g. had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
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| CVE-2022-22756 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 8.8 HIGH |
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If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an executable script which would have run arbitrary code after the user clicked on it. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
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| CVE-2022-22754 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 6.5 MEDIUM |
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If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt which grants the new version the new requested permissions. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
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| CVE-2022-22753 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2025-04-16 | N/A | 7.1 HIGH |
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A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
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| CVE-2022-22751 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 8.8 HIGH |
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Mozilla developers Calixte Denizet, Kershaw Chang, Christian Holler, Jason Kratzer, Gabriele Svelto, Tyson Smith, Simon Giesecke, and Steve Fink reported memory safety bugs present in Firefox 95 and Firefox ESR 91.4. 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 < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22748 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 6.5 MEDIUM |
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Malicious websites could have confused Firefox into showing the wrong origin when asking to launch a program and handling an external URL protocol. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22746 | 2 Microsoft, Mozilla | 4 Windows, Firefox, Firefox Esr and 1 more | 2025-04-16 | N/A | 5.9 MEDIUM |
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A race condition could have allowed bypassing the fullscreen notification which could have lead to a fullscreen window spoof being unnoticed.<br>*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22745 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 6.5 MEDIUM |
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Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22738 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 8.8 HIGH |
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Applying a CSS filter effect could have accessed out of bounds memory. This could have lead to a heap-buffer-overflow causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-22737 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 7.5 HIGH |
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Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
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| CVE-2022-31740 | 1 Mozilla | 3 Firefox, Firefox Esr, Thunderbird | 2025-04-16 | N/A | 8.8 HIGH |
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On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
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