CVE-2023-5730

Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. 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 vulnerability affects Firefox 119, Firefox ESR...

CVE-2023-5729

A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This could have obscured the fullscreen notification and could have been leveraged in a spoofing attack. This vulnerability affects Firefox 119...

CVE-2023-5170

In canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox escape if the correct data was leaked. This vulnerability affects Firefox 118...

CVE-2023-4577

When UpdateRegExpStatics attempted to access initialStringHeap it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2...

CVE-2023-4058

Memory safety bugs present in Firefox 115. 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 116...

CVE-2023-3600

During the worker lifecycle, a use-after-free condition could have occurred, which could have led to a potentially exploitable crash. This vulnerability affects Firefox 115.0.2, Firefox ESR 115.0.2, and Thunderbird 115.0.1...

CVE-2023-29546

When recording the screen while in Private Browsing on Firefox for Android the address bar and keyboard were not hidden, potentially leaking sensitive information. This bug only affects Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox for Android 112...

CVE-2023-29534

Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks. This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected. This vulnerability affects...

CVE-2023-25749

Android applications with unpatched vulnerabilities can be launched from a browser using Intents, exposing users to these vulnerabilities. Firefox will now confirm with users that they want to launch an external application before doing so. This bug only affects Firefox for Android. Other version...

CVE-2023-28159

The fullscreen notification could have been hidden on Firefox for Android by using download popups, resulting in potential user confusion or spoofing attacks. This bug only affects Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox 111...

CVE-2023-32211

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-2023-32212

An attacker could have positioned a datalist element to obscure the address bar. This vulnerability affects Firefox 113, Firefox ESR 102.11, and Thunderbird 102.11...

CVE-2023-32210

Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an appropriately privileged principal. In certain circumstances it might have been possible to cause a document to be loaded with a higher privileged principal than intended. This vulnerability...

CVE-2023-29537

Multiple race conditions in the font initialization could have led to memory corruption and execution of attacker-controlled code. This vulnerability affects Firefox for Android 112, Firefox 112, and Focus for Android 112...

CVE-2023-29549

Under certain circumstances, a call to the bind function may have resulted in the incorrect realm. This may have created a vulnerability relating to JavaScript-implemented sandboxes such as SES. This vulnerability affects Firefox for Android 112, Firefox 112, and Focus for Android 112...

CVE-2023-28177

Memory safety bugs present in Firefox 110. 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 111...

CVE-2023-25750

Under certain circumstances, a ServiceWorker's offline cache may have leaked to the file system when using private browsing mode. This vulnerability affects Firefox 111...

CVE-2023-25736

An invalid downcast from nsHTMLDocument to nsIContent could have lead to undefined behavior. This vulnerability affects Firefox 110...

CVE-2023-25733

The return value from gfx::SourceSurfaceSkia::Map wasn't being verified which could have potentially lead to a null pointer dereference. This vulnerability affects Firefox 110...

CVE-2023-25746

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...