CVE-2022-26381

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...

CVE-2022-28283

The sourceMapURL feature in devtools was missing security checks that would have allowed a webpage to attempt to include local files or other files that should have been inaccessible. This vulnerability affects Firefox 99...

CVE-2022-28285

When generating the assembly code for MLoadTypedArrayElementHole, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird 91.8, Firefox 99, and Firefox ESR 91.8...

CVE-2022-29909

Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level origin, bypassing the existing prompt and wrongfully inheriting the top-level permissions. This vulnerability affects Thunderbird 91.9, Firefox ESR 91.9, and Firefox 100...

CVE-2022-31748

Mozilla developers Gabriele Svelto, Timothy Nikkel, Randell Jesup, Jon Coppeard, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited ...

CVE-2022-34471

When downloading an update for an addon, the downloaded addon update's version was not verified to match the version selected from the manifest. If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version. This...

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%.This bug only affects Firefox for Windows. Other operating systems are unaffected.. This...

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...

CVE-2022-34470

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

CVE-2022-34477

The MediaError message property should be consistent to avoid leaking information about cross-origin resources; however for a same-site cross-origin resource, the message could have leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox 102...

CVE-2022-34480

Within the lginit function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being allocated. This vulnerability affects Firefox 102...

CVE-2022-34483

An attacker who could have convinced a user to drag and drop an image to a filesystem could have manipulated the resulting filename to contain an executable extension, and by extension potentially tricked the user into executing malicious code. While very similar, this is a separate issue from...

CVE-2022-36320

Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 102. 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 103...

CVE-2022-22743

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-2022-22759

If a document created a sandboxed iframe without allow-scripts, 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...

CVE-2022-26387

When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability affects Firefox 98, Firefox ESR 91.7, and Thunderbird 91.7...

CVE-2022-1097

NSSToken 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

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-2022-22740

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-2022-22747

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-2022-22754

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-2022-22764

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...

CVE-2022-26384

If an attacker could control the contents of an iframe sandboxed with allow-popups but not allow-scripts, 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....

CVE-2022-28288

Mozilla developers and community members Randell Jesup, Sebastian Hengst, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 98. 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...

CVE-2022-29912

Requests initiated through reader mode did not properly omit cookies with a SameSite attribute. This vulnerability affects Thunderbird 91.9, Firefox ESR 91.9, and Firefox 100...

CVE-2022-31745

If array shift operations are not used, the Garbage Collector may have become confused about valid objects. This vulnerability affects Firefox 101...

CVE-2022-34474

Even when an iframe was sandboxed with allow-top-navigation-by-user-activation, if it received a redirect header to an external protocol the browser would process the redirect and prompt the user as appropriate. This vulnerability affects Firefox 102...

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 102, Firefox E...

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 91.10, Firefox 101, and Firefox ESR 91.10...

CVE-2022-26386

Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in /tmp, but this behavior was changed to download them to /tmp where they could be affected by other local users. This behavior was reverted to the original, user-specific directory. This bug only...

CVE-2022-0511

Mozilla developers and community members Gabriele Svelto, Sebastian Hengst, Randell Jesup, Luan Herrera, Lars T Hansen, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96. Some of these bugs showed evidence of memory corruption and we presume that with enough effort so...

CVE-2022-22744

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.This bug only affects Thunderbird for Windows. Other operating systems are unaffected.. This vulnerability...

CVE-2022-22748

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...

CVE-2022-22753

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.This bug only affects Firefox on Windows. Other operating systems are unaffected.. This...

CVE-2022-22755

By using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute JavaScript within the bounds of the same-origin policy even after the tab was closed. This vulnerability affects Firefox 97...

CVE-2022-22760

When importing resources using Web Workers, error messages would distinguish the difference between application/javascript 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...

CVE-2022-22761

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-2022-26486

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox 97.0.2, Firefox ESR 91.6.1, Firefox for Android 97.3.0, Thunderbird 91.6.2, and Focus...

CVE-2022-22750

By generally accepting and passing resource handles across processes, a compromised content process might have confused higher privileged processes to interact with handles that the unprivileged process should not have access to.This bug only affects Firefox for Windows and MacOS. Other operating...

CVE-2022-22756

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....

CVE-2022-22758

When clicking on a tel: link, USSD codes, specified after a \ character, would be included in the phone number. On certain phones, or on certain carriers, if the number was dialed this could perform actions on a user's account, similar to a cross-site request forgery attack.This bug only affects...

CVE-2022-26382

While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered using page fonts. Side-channel attacks on the text by using specially crafted fonts could have lead to this text being inferred by the webpage. This vulnerability affects Firefox 98...

CVE-2022-40957

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

CVE-2022-0566

It may be possible for an attacker to craft an email message that causes Thunderbird to perform an out-of-bounds write of one byte when processing the message. This vulnerability affects Thunderbird 91.6.1...

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 102.3, Thunderbird 102.3, and...

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 102.5, Thunderbird 102.5, and Firefox 107...

CVE-2022-46872

An attacker who compromised a content process could have partially escaped the sandbox to read arbitrary files via clipboard-related IPC messages.This bug only affects Thunderbird for Linux. Other operating systems are unaffected.. This vulnerability affects Firefox 108, Firefox ESR 102.6, and...

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 102.3, Thunderbird 102.3, and Firefox 105...

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 fetch and XMLHttpReques...

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 102.5, Thunderbird 102.5, and Firefox 107...