Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Firefox Esr
Total 740 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2022-22744 2 Microsoft, Mozilla 4 Windows, Firefox, Firefox Esr and 1 more 2025-04-16 N/A 8.8 HIGH
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.
CVE-2022-22739 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 6.5 MEDIUM
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.
CVE-2022-1097 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 6.5 MEDIUM
<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.
CVE-2021-4140 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 10.0 CRITICAL
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.
CVE-2022-22747 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 6.5 MEDIUM
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.
CVE-2022-22742 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 6.5 MEDIUM
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.
CVE-2022-22743 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 4.3 MEDIUM
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.
CVE-2022-22740 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 8.8 HIGH
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.
CVE-2022-1529 2 Google, Mozilla 4 Android, Firefox, Firefox Esr and 1 more 2025-04-16 N/A 8.8 HIGH
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.
CVE-2022-22741 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 7.5 HIGH
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.
CVE-2022-26384 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 9.6 CRITICAL
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.
CVE-2022-22763 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 8.8 HIGH
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.
CVE-2022-22746 2 Microsoft, Mozilla 4 Windows, Firefox, Firefox Esr and 1 more 2025-04-16 N/A 5.9 MEDIUM
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.
CVE-2022-22761 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 8.8 HIGH
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.
CVE-2022-22754 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 6.5 MEDIUM
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.
CVE-2022-22737 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 7.5 HIGH
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.
CVE-2022-26383 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 4.3 MEDIUM
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.
CVE-2022-22738 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 8.8 HIGH
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.
CVE-2022-22760 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 6.5 MEDIUM
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.
CVE-2022-22759 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 9.6 CRITICAL
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.