Firefox Esr Security Vulnerabilities

CVE-2022-29914

When reusing existing popups Firefox would have allowed them to cover the fullscreen notification UI, which could have enabled browser spoofing attacks. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

CVE-2022-29916

Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

CVE-2022-29917

Mozilla developers Andrew McCreight, Gabriele Svelto, Tom Ritter and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 99 and Firefox ESR 91.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploite...

CVE-2022-31736

A malicious website could have learned the size of a cross-origin resource that supported Range requests. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

CVE-2022-31737

A malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

CVE-2022-31738

When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

CVE-2022-31739

When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%.<br>This bug only affects Firefox for Windows. Other operating systems are unaffected. . T...

CVE-2022-31740

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 &lt; 91.10, Firefox &lt; 101, and Firefox ESR &lt; 91.10.

CVE-2022-31741

A crafted CMS message could have been processed incorrectly, leading to an invalid memory read, and potentially further memory corruption. This vulnerability affects Thunderbird &lt; 91.10, Firefox &lt; 101, and Firefox ESR &lt; 91.10.

CVE-2022-31742

An attacker could have exploited a timing attack by sending a large number of allowCredential entries and detecting the difference between invalid key handles and cross-origin key handles. This could have led to cross-origin account linking in violation of WebAuthn goals. This vulnerability affects...

CVE-2022-31744

An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security Policy. This vulnerability affects Firefox ESR &lt; 91.11, Thunderbird &lt; 102, Thunderbird &lt; 91.11, and Firefox &lt; 101.

CVE-2022-31747

Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100 and Firefox ESR 91.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to ru...

CVE-2022-3266

An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR &lt; 102.3, Thunderbird &lt; 102.3, and Firefox &lt; 105.

CVE-2022-34468

An iframe that was not permitted to run scripts could do so if the user clicked on a <code>javascript:</code> link. This vulnerability affects Firefox &lt; 102, Firefox ESR &lt; 91.11, Thunderbird &lt; 102, and Thunderbird &lt; 91.11.

CVE-2022-34470

Session history navigations may have led to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox &lt; 102, Firefox ESR &lt; 91.11, Thunderbird &lt; 102, and Thunderbird &lt; 91.11.

CVE-2022-34472

If there was a PAC URL set and the server that hosts the PAC was not reachable, OCSP requests would have been blocked, resulting in incorrect error pages being shown. This vulnerability affects Firefox &lt; 102, Firefox ESR &lt; 91.11, Thunderbird &lt; 102, and Thunderbird &lt; 91.11.

CVE-2022-34478

The <code>ms-msdt</code>, <code>search</code>, and <code>search-ms</code> protocols deliver content to Microsoft applications, bypassing the browser, when a user accepts a prompt. These applications have had known vulnerabilities, exploited in the wild (although we know of none exploited through Th...

CVE-2022-34479

A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks. <br>This bug only affects Thunderbird for Linux. Other operating systems are unaffected. . This vulnerability affect...

CVE-2022-34481

In the <code>nsTArray_Impl::ReplaceElementsAt()</code> function, an integer overflow could have occurred when the number of elements to replace was too large for the container. This vulnerability affects Firefox &lt; 102, Firefox ESR &lt; 91.11, Thunderbird &lt; 102, and Thunderbird &lt; 91.11.

CVE-2022-34484

The Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91.10. 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 &lt; 102, Firefo...

CVE-2022-36314

When opening a Windows shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system.<br>This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR ...

CVE-2022-36318

When visiting directory listings for chrome:// URLs as source text, some parameters were reflected. This vulnerability affects Firefox ESR &lt; 102.1, Firefox ESR &lt; 91.12, Firefox &lt; 103, Thunderbird &lt; 102.1, and Thunderbird &lt; 91.12.

CVE-2022-36319

When combining CSS properties for overflow and transform, the mouse cursor could interact with different coordinates than displayed. This vulnerability affects Firefox ESR &lt; 102.1, Firefox ESR &lt; 91.12, Firefox &lt; 103, Thunderbird &lt; 102.1, and Thunderbird &lt; 91.12.

CVE-2022-38472

An attacker could have abused XSLT error handling to associate attacker-controlled content with another origin which was displayed in the address bar. This could have been used to fool the user into submitting data intended for the spoofed origin. This vulnerability affects Thunderbird &lt; 102.2, ...

CVE-2022-38473

A cross-origin iframe referencing an XSLT document would inherit the parent domain's permissions (such as microphone or camera access). This vulnerability affects Thunderbird &lt; 102.2, Thunderbird &lt; 91.13, Firefox ESR &lt; 91.13, Firefox ESR &lt; 102.2, and Firefox &lt; 104.

CVE-2022-38476

A data race could occur in the <code>PK11_ChangePW</code> function, potentially leading to a use-after-free vulnerability. In Firefox, this lock protected the data when a user changed their master password. This vulnerability affects Firefox ESR &lt; 102.2 and Thunderbird &lt; 102.2.

CVE-2022-38477

Mozilla developer Nika Layzell and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103 and Firefox ESR 102.1. 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 vu...

CVE-2022-38478

Members the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103, Firefox ESR 102.1, and Firefox ESR 91.12. 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 vulnerabi...

CVE-2022-40956

When injecting an HTML base element, some requests would ignore the CSP's base-uri settings and accept the injected element's base instead. This vulnerability affects Firefox ESR &lt; 102.3, Thunderbird &lt; 102.3, and Firefox &lt; 105.

CVE-2022-40957

Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.<br>This bug only affects Firefox on ARM64 platforms. . This vulnerability affects Firefox ESR &lt; 102.3, Thunderbird &lt; 102.3, and Firefox &lt; 105.

CVE-2022-40958

By injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context could set and thus overwrite cookies from a secure context, leading to session fixation and other attacks. This vulnerability affects Firefox ESR &lt; 102.3, Thunderbird &lt; 102.3...

CVE-2022-40959

During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leaked device permissions into untrusted subdocuments. This vulnerability affects Firefox ESR &lt; 102.3, Thunderbird &lt; 102.3, and Firefox &lt; 105.

CVE-2022-40960

Concurrent use of the URL parser with non-UTF-8 data was not thread-safe. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR &lt; 102.3, Thunderbird &lt; 102.3, and Firefox &lt; 105.

CVE-2022-40962

Mozilla developers Nika Layzell, Timothy Nikkel, Sebastian Hengst, Andreas Pehrson, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 104 and Firefox ESR 102.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these cou...

CVE-2022-42927

A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via performance.getEntries(). This vulnerability affects Firefox &lt; 106, Firefox ESR &lt; 102.4, and Thunderbird &lt; 102.4.

CVE-2022-42928

Certain types of allocations were missing annotations that, if the Garbage Collector was in a specific state, could have lead to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox &lt; 106, Firefox ESR &lt; 102.4, and Thunderbird &lt; 102.4.

CVE-2022-42929

If a website called window.print() in a particular way, it could cause a denial of service of the browser, which may persist beyond browser restart depending on the user's session restore settings. This vulnerability affects Firefox &lt; 106, Firefox ESR &lt; 102.4, and Thunderbird &lt; 102.4.

CVE-2022-42932

Mozilla developers Ashley Hale and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 105 and Firefox ESR 102.3. 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 vu...

CVE-2022-45403

Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for cross-origin media combined with Range requests might have allowed them to determine the presence or length of a media file. This vulnerability affects Firefox ESR &lt; 102.5, Thu...

CVE-2022-45404

Through a series of popup and <code>window.print()</code> calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and...

CVE-2022-45405

Freeing arbitrary <code>nsIInputStream</code>'s on a different thread than creation could have led to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and Firefox &lt; 107.

CVE-2022-45406

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt...

CVE-2022-45408

Through a series of popups that reuse windowName, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and Firefox &lt; 1...

CVE-2022-45409

The garbage collector could have been aborted in several states and zones and <code>GCRuntime::finishCollection</code> may not have been called, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and Firefox &lt;...

CVE-2022-45410

When a ServiceWorker intercepted a request with <code>FetchEvent</code>, the origin of the request was lost after the ServiceWorker took ownership of it. This had the effect of negating SameSite cookie protections. This was addressed in the spec and then in browsers. This vulnerability affects Fire...

CVE-2022-45411

Cross-Site Tracing occurs when a server will echo a request back via the Trace method, allowing an XSS attack to access to authorization headers and cookies inaccessible to JavaScript (such as cookies protected by HTTPOnly). To mitigate this attack, browsers placed limits on <code>fetch()</code> an...

CVE-2022-45412

When resolving a symlink such as <code>file:///proc/self/fd/1</code>, an error message may be produced where the symlink was resolved to a string containing unitialized memory in the buffer. <br>This bug only affects Thunderbird on Unix-based operated systems (Android, Linux, MacOS). Windows is una...

CVE-2022-45416

Keyboard events reference strings like "KeyA" that were at fixed, known, and widely-spread addresses. Cache-based timing attacks such as Prime+Probe could have possibly figured out which keys were being pressed. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and Firefox ...

CVE-2022-45418

If a custom mouse cursor is specified in CSS, under certain circumstances the cursor could have been drawn over the browser UI, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and Firefox &lt; 107.

CVE-2022-45420

Use tables inside of an iframe, an attacker could have caused iframe contents to be rendered outside the boundaries of the iframe, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and Firefox &lt; 107.